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README.md

Awesome-Selfhosted

Self-hosting is the practice of locally hosting and managing applications instead of renting from SaaSS providers.

This is a list of Free Software network services and web applications which can be hosted locally. Non-Free software is listed on the Non-Free page.

See Contributing.

List of Software
Self-hosting Solutions
List of Licenses
External links
Contributing
License

Analytics

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For personal analytics/dashboards, see Personal Dashboards

For everything else, see awesome-analytics

Archiving and Digital Preservation (DP)

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Some Content Management System solutions also feature archiving and digital preservation.

Access to Memory (AtoM) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. (Demo, Source Code) AGPL-3.0-only PHP
Archivematica - Mature digital preservation system designed to maintain standards-based, long-term access to collections of digital objects. (Demo, Source Code) AGPL-3.0-only Python
ArchiveBox - Self-hosted "wayback machine" that creates HTML & screenshot archives of sites from your bookmarks, browsing history, RSS feeds, or other sources. (Source Code) MIT Python
ArchivesSpace - Archives information management application for managing and providing Web access to archives, manuscripts and digital objects. (Demo, Source Code) ECL-2.0 Ruby
Collective Access: Providence - Highly configurable Web-based framework for management, description, and discovery of digital and physical collections supporting a variety of metadata standards, data types, and media formats. (Source Code) GPL-3.0-only PHP
CKAN - CKAN is a tool for making open data websites. (Source Code) AGPL-3.0 Python

Automation

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See also Internet of Things (IoT)

Accelerated Text - Automatically generate multiple natural language descriptions of your data varying in wording and structure. Apache-2.0 Java
Actionsflow ⚠ - The free Zapier/IFTTT alternative for developers to automate your workflows based on Github actions. MIT Docker/Nodejs
ActiveWorkflow - An intelligent process and workflow automation platform based on software agents. MIT Ruby
Alltube - Web interface for youtube-dl, a program to download videos and audio from more than 100 websites. (Source Code) GPL-3.0 PHP
AmIUnique - Learn how identifiable you are on the Internet (browser fingerprinting tool). (Source Code) MIT Java
Baserow - Open source online database tool and Airtable alternative. Create your own database without technical experience. (Source Code) MIT Python/Nodejs
Beehive - Flexible event and agent system, which allows you to create your own agents that perform automated tasks triggered by events and filters. AGPL-3.0 Go
betanin - Music organization man-in-the-middle of your torrent client and music player. Based on beets.io, similar to Sonarr and Radarr. GPL-3.0 Python
ChiefOnboarding - Employee onboarding platform that allows you to provision user accounts and create sequences with todo items, resources, text/email/Slack messages, and more! Available as a web portal and Slack bot. (Source Code) AGPL-3.0 Python
CouchPotato - CouchPotato is an automatic Video Library Manager for Movies. Automatic torrent/nzb searching, downloading, and processing at the qualities you want. (Source Code) GPL-3.0 Python
Episodes ⚠ - Self Hosted TV show Episode tracker and recommender built using django, bootstrap4. MIT Python
feed2toot - Feed2toot parses a RSS feed, extracts the last entries and sends them to Mastodon. (Source Code) GPL-3.0 Python
feedmixer - FeedMixer is a WSGI (Python3) micro web service which takes a list of feed URLs and returns a new feed consisting of the most recent n entries from each given feed(Returns Atom, RSS, or JSON). (Demo) WTFPL Python
Gekko - Gekko is a Bitcoin TA trading and backtesting bot which support multiple exchanges and cryptocurrencies. (Source Code) MIT Nodejs
Headphones - Automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole. GPL-3.0 Python
Healthchecks - Django app which listens for pings and sends alerts when pings are late. (Source Code) BSD-3-Clause Python
homebank-converter - Web app to convert an export bank file to compatible Homebank csv. (Demo) AGPL-3.0 HTML5
HRConvert2 - Drag-and-drop file conversion server with session based authentication, automatic temporary file maintenance, and logging capability. GPL-3.0 PHP
Huginn - Allows you to build agents that monitor and act on your behalf. MIT Ruby
Kibitzr - Lightweight personal web assistant with powerful integrations. (Source Code) MIT Python
LazyLibrarian ⚠ - LazyLibrarian is a program to follow authors and grab metadata for all your digital reading needs. It uses a combination of Goodreads Librarything and optionally GoogleBooks as sources for author info and book info. GPL-3.0 Python
Leon - Open-source personal assistant who can live on your server. (Demo, Source Code) MIT Node.js
Lidarr - Lidarr is a music collection manager for Usenet and BitTorrent users. (Source Code) GPL-3.0 C#
Medusa - Automatic Video Library Manager for TV Shows. It watches for new episodes of your favorite shows, and when they are posted it does its magic. GPL-3.0 Python
MeTube - Web GUI for youtube-dl, with playlist support. Allows downloading videos from dozens of websites. AGPL-3.0 Python/Nodejs/Docker
n8n - Free node based Workflow Automation Tool. Easily automate tasks across different services. (Source Code) Apache-2.0 Nodejs
nefarious - Web application that automates downloading Movies and TV Shows. GPL-3.0 Python
Patrowl - Open Source, Smart and Scalable Security Operations Orchestration Platform. AGPL-3.0 Python
Podgrab - Lightweight podcast manager and automatic podcast episode downloader. It will monitor podcasts for your and download them automatically whenever a new episode goes live. GPL-3.0 Docker/Go
pyLoad - Lightweight, customizable and remotely manageable downloader for 1-click-hosting sites like rapidshare.com or uploaded.to. (Source Code) GPL-3.0 Python
Radarr - Radarr is an independent fork of Sonarr reworked for automatically downloading movies via Usenet and BitTorrent, à la Couchpotato. (Source Code) GPL-3.0 C#
StackStorm - StackStorm (aka "IFTTT for Ops") is event-driven automation for auto-remediation, security responses, troubleshooting, deployments, and more. Includes rules engine, workflow, 160 integration packs with 6000+ actions and ChatOps. (Source Code) Apache-2.0 Python
SickRage - SickRage is an automatic Video Library Manager for TV Shows. Automatic torrent/nzb searching, downloading, and processing at the qualities you want. (Source Code) GPL-3.0 Python
SiteInspector - Web-based tool for catching spelling errors, grammatical errors, broken links, and other errors on websites. (Demo, Source Code) AGPL-3.0 Ruby
Sonarr - Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality format becomes available. (Source Code) GPL-3.0 C#
µTask - µTask is an automation engine that models and executes business processes declared in yaml. BSD-3-Clause Go
WebUI-aria2 - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. (Demo) MIT HTML5
ydl_api - Simple youtube-dl REST API to launch downloads on a distant server. (Source Code) Unlicense Python
YoutubeDL-Material - Material Design inspired YouTube downloader, based on youtube-dl. Supports playlists, quality select, search, dark mode and much more, all with a clean and modern design. MIT Nodejs
Zenbot 3 - Zenbot is a lightweight, extendable, artificially intelligent trading bot for Bitcoin, Ether, Litecoin, and more. MIT Node.js
ZeroQueue - A low-code queue management system that lets you run scheduled jobs for anything. GPL-3.0 Node.js

Blogging Platforms

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Antville - Free, open source project aimed at the development of a high performance, feature rich weblog hosting software. (Source Code) Apache-2.0 Javascript
Blog - Facebook-styled blog. Free, extremely lightweight, single-user and easy to install. (Demo) GPL-3.0 PHP
Blogotext - Free blog-engine written in PHP and using SQLite. This offers you both an unmatched simplicity during installation and great performances. (Source Code) MIT PHP
Bludit ⚠ - Simple application to build a site or blog in seconds. Bludit uses flat-files (text files in JSON format) to store posts and pages. (Demo, Source Code) MIT PHP
Cadmus - Cadmus is an extremely lightweight, flat-file blogging platform powered by Markdown. MIT PHP
Canvas - A Laravel publishing platform. (Source Code) MIT PHP
Chyrp Lite - Extra-awesome, extra-lightweight blog engine. (Source Code) BSD-3-Clause PHP
Dante Stories - Self hosted Medium platform built with Ruby on Rails. (Source Code) MIT Ruby
Dotclear - Take control over your blog. (Source Code) GPL-2.0 PHP
Formtools - Powerful, flexible, free and open source PHP/MySQL script to manage your forms and data. (Source Code) GPL-2.0 PHP
Ghost - Just a blogging platform. (Source Code) MIT Nodejs
Hexo - Fast, simple and powerful blog framework, powered by Node.js. (Source Code) MIT Nodejs
Hotglue - Freehand CMS which allows to construct websites directly in a web-browser. It uses flat files for storage and provides an intuitive GUI. (Demo, Source Code) GPL-3.0 PHP
htmly - Databaseless Blogging Platform (Flat-File Blog). (Demo, Source Code) GPL-2.0 PHP
Known - Single website for all your content. (Source Code) Apache-2.0 PHP
Plume - Federated blogging engine, based on ActivityPub. (Source Code) AGPL-3.0 Rust
PluXml - XML-based blog/CMS platform. (Source Code) GPL-1.0 PHP

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dyu/bookmarks - Single-threaded/process bookmark app powered by leveldb and uWebSockets. Supports importing from Delicious and Chrome. (Demo) Apache-2.0 Java
Espial - An open-source, web-based bookmarking server. AGPL-3.0 Haskell
Firefox Account Server - This allows you to host your own Firefox accounts server. (Source Code) MPL-2.0 Nodejs, Java
- Firefox Sync Server - Sync Firefox bookmarks, passwords, history, tabs, preferences. MPL-2.0 Python
Geekmarks - Personal bookmarking service focused on speed and organization using hierarchical tags. (Source Code) BSD-2-Clause Go
golinks - Web application that allows you to create smart bookmarks, commands and aliases by pointing your web browser's default search engine at a running instance. Similar to bunny1 or yubnub. (Demo) MIT Go
Hackershare - Social bookmarks website for hackers. (Demo) MIT Ruby
linkding - Minimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi. (Demo) MIT Docker/Python/Nodejs
LinkAce - A bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application. (Demo, Source Code) GPL-3.0 PHP
Lobsters - Run your own link aggregation site. (Source Code) BSD-3-Clause Ruby
No Fuss Bookmarks - Very simple software and service to store bookmarks especially designed for hackers (that don't need fancy interfaces, but nice API). (Source Code) GPL-3.0 Python
Pinry - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. (Source Code) BSD-2-Clause Python
Reminiscence - Self-Hosted Bookmark And Archive Manager. AGPL-3.0 Python
Shaarli - Personal, minimalist, super-fast, no-database bookmarking and link sharing platform. (Demo) Zlib PHP
Shiori - Simple bookmark manager built with Go. MIT Go
unmark - Open source to do app for links. MIT PHP
ubookmark - LDAP enabled bookmarking service. (Demo, Source Code) GPL-2.0 Python
xBrowserSync - Open source tool for syncing browser data between browsers and devices. (Source Code) MIT Nodejs

Calendaring and Contacts Management

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Some Groupware solutions also feature calendar/address book editing and synchronization.

See https://en.wikipedia.org/wiki/Comparison_of_CalDAV_and_CardDAV_implementations

CalDAV or CardDAV servers

Baïkal - Lightweight CalDAV and CardDAV server based on sabre/dav. (Source Code) GPL-3.0 PHP
CalendarServer - Apple, Inc.'s standards-compliant server implementing the CalDAV and CardDAV protocols shipped with macOS Server. (Source Code) Apache-2.0 Python
calypso - Python-based CalDAV and CardDAV server, forked from Radicale. (Source Code) GPL-3.0 Python
DAViCal - Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store. (Source Code) GPL-2.0 PHP
Davis - A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal. MIT PHP
DecSync CC - Serverless contacts, calendar synchronization using your own file syncing method i.e Syncthing, Nextcloud etc. (Source Code) GPL-3.0 Kotlin
Etebase (EteSync) - End-to-end encrypted and journaled personal information server supporting calendar and contact data, offering its own clients. (Source Code) AGPL-3.0 Python/Django
Radicale - Simple calendar and contact server with extremely low administrative overhead. (Source Code) GPL-3.0 Python
SabreDAV - Open source CardDAV, CalDAV, and WebDAV framework and server. (Source Code) MIT PHP
Xandikos - Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository. (Source Code) GPL-3.0 Python

CalDAV or CardDAV web-based clients

AgenDAV - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support. (Source Code) GPL-3.0 PHP
InfCloud - Open source CalDAV/CardDAV web client implementation. (Demo, Source Code) AGPL-3.0 Javascript
EteSync Web - EteSync's official Web-based client (i.e., their Web app). (Demo, Source Code) AGPL-3.0 Javascript

Communication systems

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Custom communication systems

BluetoothCommunicatorExample - Bluetooth LE chat app to communicate between android devices with P2P architecture. (Clients) Apache-2.0 Java
Centrifugo - Language-agnostic real-time messaging (Websocket or SockJS) server. (Demo) MIT Go
Chaskiq - Full featured livechat, helpcenter and CRM as an alternative to Intercom & Drift, Crisp and others. (Source Code) AGPL-3.0 Ruby
Chatwoot - Self-hosted customer communication platform, an alternative to Intercom & Zendesk. (Source Code) MIT Ruby
Cherry - Tiny webchat server. GPL-2.0 Go
Conduit - A simple, fast, and reliable chat server powered by Matrix. (Source Code) Apache-2.0 Rust
Darkwire.io - End-to-end encrypted instant web chat. MIT Nodejs
Freenet - Anonymously share files, browse and publish "freesites" (web sites accessible only through Freenet) and chat on forums. (Source Code) GPL-2.0 Java
Friends - P2P chat powered by the web. (Source Code) MIT Nodejs
GNUnet - Free software framework for decentralized, peer-to-peer networking. (Source Code) GPL-3.0 C
Gotify - Self-hosted notification server with Android and CLI clients, similar to PushBullet. (Source Code, Clients) MIT Go
Hawkpost - HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address. (Source Code) MIT Python
Jami - Free and universal communication platform which preserves the user's privacy and freedoms (formerly GNU Ring). (Source Code) GPL-3.0 C++
Jitsi Meet - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. (Source Code) MIT Javascript
Jitsi Video Bridge - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. (Source Code) Apache-2.0 Java
KChat - PHP Based Live Chat Application. Apache-2.0 PHP
LeapChat - Ephemeral, encrypted, in-browser chat rooms. AGPL-3.0 JavaScript
Lets-Chat - Self hosted chat suite written in Node. (Source Code) MIT Nodejs
LibreNews - Decentralized and secure breaking news notification system. (Source Code) GPL-3.0 Python
Live Helper Chat - Live Support chat for your website. (Source Code) Apache-2.0 PHP
Mattermost - Open-source, on-prem Slack-alternative. It can be integrated with Gitlab. (Source Code) AGPL-3.0/Apache-2.0 Go
MiAOU - Multi-room persistent chat server. (Source Code) MIT Nodejs
Mibew - Mibew Messenger is an open-source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website. (Demo, Source Code) Apache-2.0 PHP
Mumble - Low-latency, high quality voice/text chat software. (Source Code, Clients) BSD-3-Clause C++
Node-Chat - Not-so-basic open-source chat with admin features. MIT Nodejs
OTS - One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser. (Source Code) Apache-2.0 Go
Papercups - An open source live customer chat web app written in Elixir. (Demo, Source Code) MIT Elixir
PushBits - Self-hosted notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify. ISC Go
Rallly - Rallly is a free collaborative scheduling service. (Source Code) CC-BY-SA-4.0 Nodejs
RetroShare - Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer. (Source Code) GPL-2.0 С++
Rocket.Chat - Teamchat solution similar to Gitter.im or Slack. (Source Code) MIT Nodejs
Shhh - Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates. MIT Python
Spectrum 2 - Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks. (Source Code) GPL-3.0 C++
Spreed - WebRTC audio/video calls, conferencing server, and web client. (Source Code) AGPL-3.0 Go
Synapse - Server for Matrix, an open standard for decentralized persistent communication. (Source Code) Apache-2.0 Python
- Matrix Console Web - Web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard. (Source Code) Apache-2.0 Javascript
- Element - Fully-featured Matrix client for Web, iOS & Android. (Source Code) Apache-2.0 Javascript
Syndie - Syndie is a libre system for operating distributed forums. CC0-1.0 Java
TextBelt ⚠ - Outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. MIT Javascript
Tinode - Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots. (Demo, Source Code, Clients) GPL-3.0 Go
Tox - Distributed, secure messenger with audio and video chat capabilities. (Source Code) GPL-3.0 C
Tuber - Peer-to-peer video chat that works. (Source Code) MIT Javascript
WBO - A web Whiteboard to collaborate in real-time on schemas, drawings, and notes. (Demo) AGPL-3.0 Nodejs/Docker
ZeroNet ⚠ - Open, free, and uncensorable websites, using Bitcoin cryptography and BitTorrent network. (Source Code) GPL-2.0 Python
Zulip - Zulip is a powerful, open source group chat application. (Source Code) Apache-2.0/Other Python

Email

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Complete solutions

Simple deployment of a mail server, e.g. for inexperienced or impatient admins.

AnonAddy - Open source email forwarding service for creating aliases. (Source Code) MIT PHP
DebOps - Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts. (Source Code) GPL-3.0-only YAML/Ansible/Python
docker-mailserver - Fullstack but simple mail server (smtp, imap, antispam, antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. MIT Docker
emailwiz - Luke Smith's bash script to completely automate the setup of a Postfix/Dovecot/SpamAssassin/OpenDKIM server on debian. GPL-3.0 Bash
Excision Mail - Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible. ISC Shell/Ansible
Inboxen - Inboxen is a service that provides you with an infinite number of unique inboxes. (Source Code) GPL-3.0 Python
homebox - Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security. GPL-3.0 Shell
iRedMail - Full-featured mail server solution based on Postfix and Dovecot. (Source Code) GPL-3.0 Shell
Mailcow - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. (Source Code) GPL-2.0 Docker/PHP
Mailu - Mailu is a simple yet full-featured mail server as a set of Docker images. (Demo, Source Code) MIT Docker/Python
Mail-in-a-Box - Turns any Ubuntu server into a fully functional mail server with one command. (Source Code) CC0-1.0 Shell
Modoboa - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. (Source Code) MIT Python
Ptorx - Email privacy. Anonymously send and receive with alias forwarding. GPL-3.0 Node.js
Qmailtoaster - Stable, full-featured, easy-to-install mail server based on qmail. (Source Code) Multiple Linux
SimpleLogin - Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. (Source Code) MIT Docker/Python
Simple NixOS Mailserver - Complete mailserver solution leveraging the Nix Ecosystem. GPL-3.0 Nix
wildduck - Scalable no-SPOF IMAP/POP3 mail server. (Source Code) EUPL-1.2 Node.js

Mail Transfer Agents

MTAs / SMTP servers

chasquid - SMTP (email) server with a focus on simplicity, security, and ease of operation. (Source Code) Apache-2.0 Go
Courier MTA - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. (Source Code) GPL-3.0 C
Exim - Message transfer agent (MTA) developed at the University of Cambridge. (Source Code) GPL-3.0 C
Haraka - High-performance, pluginable SMTP server written in Javascript. (Source Code) MIT Javascript
MailCatcher - Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. (Source Code) MIT Ruby
Maildrop - Disposable email SMTP server, also useful for development. MIT Scala
MailHog - Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. MIT Go
OpenSMTPD - Secure SMTP server implementation from the OpenBSD project. (Source Code) ISC C
Postfix - Fast, easy to administer, and secure Sendmail replacement. IPL-1.0 C
Qmail - Secure Sendmail replacement. (Source Code) CC0-1.0 C
Sendmail - Message transfer agent (MTA). Sendmail C
Slimta - Mail Transfer Library built on Python. (Source Code) MIT Python

Mail Delivery Agents

MDAs - IMAP/POP3 software

Cyrus IMAP/POP3 - Intended to be run on sealed servers, where normal users are not permitted to log in. (Source Code) BSD-3-Clause-Attribution C
Dovecot - IMAP and POP3 server written primarily with security in mind. (Source Code) MIT/LGPL-2.1 C
Piler - feature-rich open source email archiving solution. (Source Code) GPL-3.0 C

Mailing lists and Newsletters

Mailing lists servers and mass mailing software - one message to many recipients.

Dada Mail - Web-based list management system that can be used for announcement lists and/or discussion lists. (Source Code) GPL-2.0 Perl
Listmonk - High performance, self-hosted newsletter and mailing list manager with a modern dashboard. (Source Code) AGPL-3.0 Go
Mail For Good ⚠ - Open source email campaign management tool for nonprofits. BSD-3-Clause Javascript
Mailman - The Gnu mailing list server. GPL-3.0 Python
Mailtrain - self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). (Source Code) GPL-3.0 Nodejs
MailyHerald - Self-hosted Mailchimp alternative that you can easily integrate with your site. Helps you send and manage your application mailings. It supports email marketing and conducting the daily stream of notifications you send to your users. (Source Code) LGPL-3.0 Ruby
Mautic - Mautic is marketing automation software (email, social and more). (Source Code) GPL-3.0 PHP
HyperKitty - Open source Django application to provide a web interface to access GNU Mailman v3 archives. (Demo, Source Code) GPL-3.0 Python
phpList - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins. (Source Code) AGPL-3.0 PHP
Postal - Fully featured open source mail delivery platform for incoming and outgoing e-mail. MIT Ruby
Postorius - Web user interface to access GNU Mailman. (Source Code) GPL-3.0 Python
Schleuder - GPG-enabled mailing list manager with resending-capabilities. (Source Code) GPL-3.0 Ruby
Sympa - Mailing list manager. GPL-2.0 Perl

Webmail clients

Afterlogic WebMail Lite - Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel. (Demo, Source Code) AGPL-3.0 PHP
Cypht - Feed reader for your email accounts. (Source Code) GPL-2.0 PHP
IMP - HORDE application that provides webmail access to IMAP and POP3 accounts. (Demo, Source Code) GPL-2.0 PHP
Isotope Mail - Microservice based webmail client built with ReactJS and Spring. (Source Code) Apache-2.0 Docker/Java
MailCare - Open source disposable email address service. (Source Code) MIT PHP
Mailpile - Webmail client with search, filtering, encryption features and more. (Source Code) AGPL-3.0 Python
RainLoop - Simple, modern and fast webmail with IMAP/SMTP Support and multi accounting. (Demo, Source Code). AGPL-3.0 PHP
Roundcube - Browser-based IMAP client with an application-like user interface. (Source Code) GPL-3.0 PHP
SquirrelMail - Another browser-based IMAP client. (Source Code) GPL-2.0 PHP

IRC

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IRC communication software

Convos - Always online web IRC client. (Demo, Source Code) Artistic-2.0 Perl
InspIRCd - Modular IRC server written in C++ for Linux, BSD, Windows, and macOS. (Source Code) GFDL-1.2-only C++
Dispatch - Self-hosted web IRC client written in Go. (Demo) MIT Go
Kiwi IRC - Responsive web IRC client with theming support. (Demo, Source Code) Apache-2.0 Nodejs
ngircd - Free, portable and lightweight Internet Relay Chat server for small or private networks. (Source Code) GPL-2.0 C
Oragono - Modern IRCv3 server written in Go, combining the features of an ircd, a services framework, and a bouncer. (Source Code) MIT Go
The Lounge - Self-hosted web IRC client. (Demo, Source Code) MIT Nodejs
Quassel IRC - distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core. (Source Code) GPL-2.0 C++
Robust IRC - RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol. (Source Code) BSD-3-Clause Go
Tiny Tiny IRC - An open source AJAX-powered chat platform with support for IRC (Source Code). GPL-3.0 PHP/Java
Weechat - Fast, light and extensible chat client. GPL-3.0 C
- Glowing Bear - A web frontend for WeeChat. (Demo) GPL-3.0 JavaScript
ZNC - Advanced IRC bouncer. (Source Code) Apache-2.0 C++

SIP

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SIP/IPBX telephony software

Asterisk - Easy to use but advanced IP PBX system, VoIP gateway and conference server. GPL-2.0 C
ASTPP - is an Open Source VoIP Billing Solution for Freeswitch. It supports prepaid and postpaid billing with call rating and credit control. It also provides many other features. (Source Code) AGPL-3.0 PHP
Freepbx - Web-based open source GUI that controls and manages Asterisk. (Source Code) GPL-2.0 PHP
FreeSWITCH - Scalable open source cross-platform telephony platform. (Source Code) MPL-2.0 C
FusionPBX - Open source project that provides a customizable and flexible web interface to the very powerful and highly scalable multi-platform voice switch called FreeSWITCH. (Source Code) MPL-1.1 PHP
Homer - Troubleshooting and monitoring VoIP calls. (Source Code) AGPL-3.0 Angular/C
Kamailio - Modular SIP server (registrar/proxy/router/etc). (Source Code) GPL-2.0 C
Kazoo - KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. (Source Code) MPL-1.1 Erlang
Ostel - Secure SIP telephony setup with ZRTP encryption. GPL-3.0 Ruby
Routr - A lightweight sip proxy, location server, and registrar for a reliable and scalable SIP infrastructure. (Source Code) MIT JavaScript
SipXcom - Open source unified communications system. (Source Code) AGPL-3.0 Java
SIP3 - VoIP troubleshooting and monitoring platform. (Demo, Source Code) Apache-2.0 Kotlin
Wazo - Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. (Source Code) GPL-3.0 Python
Yeti-Switch - Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. (Demo, Source Code) GPL-2.0 C++/Ruby

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Abilian SBE - Open Source Collaboration and Social Networking framework and platform. LGPL-2.1 Python
Anahita - Open Source Social Networking Framework and Platform. (Source Code) GPL-3.0 PHP
AsmBB - A fast, SQLite-powered forum engine written in ASM. (Source Code) EUPL-1.2 Assembly
bbPress - bbPress is forum software with a twist from the creators of WordPress. Easily setup discussion forums inside your WordPress.org powered site. (Source Code) GPL-2.0 PHP
Bootcamp - Enterprise social network. (Source Code) MIT Python
Buddycloud - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. (Source Code) Apache-2.0 Java
BuddyPress - Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. (Source Code) GPL-2.0 PHP
Cactus Comments - Cactus Comments is a federated comment system for the open web built on Matrix. (Demo, Source Code) GPL-3.0 Python
cartulary - RSS reader, readability tool, article archiver, microblogger, social graph manager and reading list manager. CDDL-1.0 PHP
Commento - Commento is a discussion platform that you can embed on your blog, news articles, and any place where you want your readers to add comments. MIT GO
Coral - A better commenting experience from Vox Media. (Source Code) Apache-2.0 Nodejs
diaspora* - Distributed social networking server. (Demo, Source Code) AGPL-3.0 Ruby
Discourse - Advanced forum / community solution based on Ruby and JS. (Demo, Source Code) GPL-2.0 Ruby
dyu/comments - Real-time, markdown-enabled comment engine powered by leveldb. (Demo) Apache-2.0 Java
EpochTalk - Next Generation Forum Software. MIT Nodejs
Elgg - Powerful open source social networking engine. (Source Code) GPL-2.0 PHP
Flarum - Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. (Source Code) MIT PHP
flaskbb - FlaskBB is forum software written in Python using the microframework Flask. You can easily create new topics, posts and send other users private messages. It also includes basic administration and moderation tools. (Source Code) BSD-3-Clause Python
FluxBB - Fast, light, user-friendly forum software for your website. (Source Code) GPL-2.0 PHP
Friendica - Social Communication Server. (Source Code) AGPL-3.0 PHP
Glosa - Open source commentary system easy to integrate with static pages. You can import from Disqus. GPL-3.0 Java
GNU social - Social communication software for both public and private communications. (Source Code) AGPL-3.0 PHP
Gosora - Gosora is an ultra-fast and secure forum software written in Go that balances usability with functionality. (Source Code) GPL-3.0 Go
Hubzilla - Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. (Source Code) MIT PHP
HumHub - Flexible kit for private social networks. (Source Code) AGPL-3.0 PHP
Isso - Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus. (Source Code) MIT Python
Lemmy - A link aggregator / reddit clone for the fediverse. Reddit alternative built in Rust. (Source Code) AGPL-3.0 Rust
Libreddit ⚠ - Private front-end for Reddit written in Rust. (Source Code) AGPL-3.0 Rust
Loomio - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. (Source Code) AGPL-3.0 Ruby
Mastodon - Federated microblogging server, an alternative to GNU social. (Source Code) AGPL-3.0 Ruby
Misago - Misago is fully featured modern forum application that is fast, scalable and responsive. (Source Code) GPL-2.0 Python
Misskey - Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon. (Source Code) AGPL-3.0 Nodejs
Movim - Modern, federated social network based on XMPP, with a fully featured group-chat, subscriptions and microblogging. (Source Code) AGPL-3.0 PHP
MyBB - Free, extensible forum software package. (Source Code) LGPL-3.0 PHP
NodeBB - Node.js based forum software built for the modern web. (Source Code) GPL-3.0 Nodejs
Nitter ⚠ - A alternative front end to twitter. (Source Code) AGPL-3.0 Nimble
Orange Forum - Orange Forum is an easy to deploy forum that has minimal dependencies and uses very little javascript. (Source Code) BSD-3-Clause Go
OSSN - Open Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests. (Source Code) GPL-2.0 PHP
Patchwork - Decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB). AGPL-3.0-only NodeJS
phpBB - Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website. (Source Code) GPL-2.0 PHP
PixelFed - Pixelfed is an open-source, federated platform alternate to Instagram. (Source Code) AGPL-3.0 PHP\HTML\Vue
Pleroma - Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible. (Source Code) AGPL-3.0 Elixir
Pump.io - Stream server that does most of what people really want from a social network. (Source Code) Apache-2.0 Nodejs
remark42 - A lightweight and simple comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments. (Demo, Source Code) MIT Go
Satellity - Yet another open source forum written in Golang, React and PostgreSQL. (Source Code) MIT Go
Scoold - Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support. (Demo, Source Code) Apache-2.0 Java
Simple Machines Forum - Free, professional grade software package that allows you to set up your own online community within minutes. (Source Code) BSD-3-Clause PHP
Socialhome - Federated and decentralized profile builder and social network engine. (Demo, Source Code) AGPL-3.0 Python
Talkyard - Create a community, where your users can suggest ideas and get questions answered. And have friendly open-ended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid). (Demo, Source Code) AGPL-3.0 Scala
Tokumei - Anonymous microblogging platform. (Source Code) ISC rc
Thredded - Forums, feature-rich and simple. MIT Ruby
twister - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols. (Source Code) MIT C++
twtxt.net - a Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data. (Source Code) MIT Go
- rss2twtxt - An RSS/Atom feed aggregator command-line tool and web service that consumes RSS/Atom and produces twtxt.net feeds for consumption by twtxt clients. (Demo) MIT Go
Vanilla Forums - Simple and flexible forum software. (Source Code) GPL-2.0 PHP
Zusam - Free and open-source way to self-host private forums for groups of friends or family. (Demo, Source Code) AGPL-3.0 PHP

XMPP

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Extensible Messaging and Presence Protocol software

XMPP Servers

ejabberd - XMPP instant messaging server. (Source Code) GPL-2.0 Erlang
Kontalk - Kontalk is an Open Source Messenger, similar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server. (Source Code) GPL-3.0 Java
Metronome IM - Fork of Prosody IM. (Source Code) MIT Lua
MongooseIM - Mobile messaging platform with a focus on performance and scalability. (Source Code) GPL-2.0 Erlang
Openfire - Real time collaboration (RTC) server. (Source Code) Apache-2.0 Java
Prosody IM - Feature-rich and easy to configure XMPP server. (Source Code) MIT Lua
Tigase - XMPP server implementation in Java. GPL-3.0 Java

XMPP Web Clients

Candy - Multi user XMPP client written in Javascript. (Source Code) MIT Javascript
Converse.js - Free and open-source XMPP chat client in your browser. (Source Code) MPL-2.0 Javascript
JSXC - Real-time XMPP web chat application with video calls, file transfer and encrypted communication. There are also versions for Nextcloud/Owncloud and SOGo. (Source Code) MIT Javascript
Salut à Toi - Multipurpose, multi frontend, libre and decentralized communication tool. (Source Code) AGPL-3.0 Python
- Libervia - Web frontend from Salut à Toi. (Source Code) AGPL-3.0 Python

Conference Management

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BigBlueButton - Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms. (Demo, Source Code) LGPL-3.0 Java
Conference Organizing Distribution (COD) - Create conference and event websites built on top of Drupal. (Source Code) GPL-1.0 PHP
frab - web-based conference planning and management system. It helps to collect submissions, to manage talks and speakers and to create a schedule. (Source Code) MIT Ruby
indico - A feature-rich event management system, made @ CERN, the place where the Web was born. (Demo, Source Code) MIT Python
Open Conference Systems (OCS) - is a free Web publishing tool that will create a complete Web presence for your scholarly conference. (Demo, Source Code) GPL-1.0 PHP
OpenCFP - OpenCFP is a PHP-based conference talk submission system. MIT PHP
osem - Event management tailored to free Software conferences. (Demo, Source Code) MIT Ruby
pretalx - Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools. (Source Code) Apache-2.0 Python

Content Management Systems (CMS)

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CMS are a practical way to setup a website with many features. CMS often come with third party plugins, themes and functionality that is easy to add and customize to your needs. See also Blogging Platforms and Static Site Generators

Alfresco Community Edition - The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content. (Source Code) LGPL-3.0 Java
Apostrophe - Node.js CMS with a focus on extensible in-context editing tools. (Demo, Source Code) MIT Nodejs
b2evolution CMS - The most integrated CMS ever: b2evolution includes everything you need to build websites for publishing, sharing and interacting with your community. (Source Code) GPL-2.0 PHP
Backdrop CMS - Comprehensive CMS for small to medium sized businesses and non-profits. (Source Code) GPL-2.0 PHP
BigTree CMS - Straightforward, well documented, and capable written with PHP and MySQL. (Source Code) LGPL-2.1 PHP
Bolt CMS - Open source Content Management Tool, which strives to be as simple and straightforward as possible. (Demo, Source Code) MIT PHP
CMS Made Simple - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. (Source Code) GPL-1.0 PHP
Cockpit - Simple Content Platform to manage any structured content. (Source Code) MIT PHP
Concrete 5 CMS - Open source content management system. (Source Code) MIT PHP
Contao - Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. (Source Code) LGPL-3.0 PHP
CouchCMS - Simple Open-Source CMS for designers. (Source Code) CPAL-1.0 PHP
Directus - Directus is a powerful and intuitive headless CMS for managing SQL databases with custom architectures. Built around a robust and extensible API, this decoupled content management framework is perfect for websites, apps, or multi-client projects. (Source Code) GPL-3.0 PHP
Drupal - Advanced open source content management platform. (Source Code) GPL-2.0 PHP
eLabFTW - Online lab notebook for research labs. Store experiments, use a database to find reagents or protocols, use trusted timestamping to legally timestamp an experiment, export as pdf or zip archive, share with collaborators…. (Demo, Source Code) AGPL-3.0 PHP
Expressa - Content Management System for powering database driven websites using JSON schemas. Provides permission management and automatic REST APIs. MIT Nodejs
Flextype - Flextype is an open-source Hybrid Content Management System with the freedom of a headless CMS and with the full functionality of a traditional CMS. (Demo, Source Code) MIT PHP
GetSimple CMS - The Simplest Content Management System. Ever. (Source Code) GPL-3.0 PHP
Joomla! - Advanced Content Management System (CMS). (Source Code) GPL-2.0 PHP
KeystoneJS - CMS and Web Application Platform. (Demo, Source Code) MIT Nodejs
MODX - MODX is an advanced content management and publishing platform. The current version is called 'Revolution'. (Source Code) GPL-2.0 PHP
Neos - Neos or TYPO3 Neos (for version 1) is a modern, open source CMS. (Source Code) GPL-3.0 PHP
Noosfero - Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective intelligence for solidarity economy in the same system. AGPL-3.0 Ruby
october - Free, open-source, self-hosted CMS platform. (Source Code) MIT PHP
Omeka - Create complex narratives and share rich collections, adhering to Dublin Core standards with Omeka on your server, designed for scholars, museums, libraries, archives, and enthusiasts. (Demo, Source Code) GPL-3.0 PHP
Pagekit - New modern CMS to create and share. (Source Code) MIT PHP
Pico - Stupidly simple, blazing fast, flat file CMS. (Source Code) MIT PHP
Pimcore - Multi-Channel Experience and Engagement Management Platform. (Source Code) GPL-3.0-or-later PHP
Plone - Powerful open-source CMS system. (Source Code) ZPL-2.0 Python
ProcessWire - ProcessWire is an open source content management system (CMS) and web application framework aimed at the needs of designers, developers and their clients. (Source Code) MPL-2.0 PHP
PropertyWebBuilder - Ultimate Ruby on Rails engine for creating real estate websites. (Demo, Source Code) MIT Ruby
Publify - Simple but full featured web publishing software. (Source Code) MIT Ruby
REDAXO - Simple, flexible and useful content management system (documentation only available in German). (Source Code) MIT PHP
Redaxscript - Ultra lightweight CMS for MySQL, SQLite and PostgreSQL. (Demo, Source Code) GPL-3.0 PHP
Roadiz - Modern CMS based on a node system which can handle many types of services. (Source Code) MIT PHP
SilverStripe - Easy to use CMS with powerful MVC framework underlying. (Demo, Source Code) BSD-3-Clause PHP
SPIP - Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. (Source Code) GPL-3.0 PHP
Squidex - Headless CMS, based on MongoDB, CQRS and Event Sourcing. (Demo, Source Code) MIT .NET
Strapi - The most advanced open-source Content Management Framework (headless-CMS) to build powerful API with no effort. (Source Code) MIT Nodejs
Subrion - Subrion is a free open source content management system that allows you to build websites for any purpose. Yes, from blog to corporate mega portal. (Demo, Source Code) GPL-3.0 PHP
Textpattern - Flexible, elegant and easy-to-use CMS. (Demo, Source Code) GPL-2.0 PHP
Typemill - Author-friendly flat-file-cms with a visual markdown editor based on vue.js. (Source Code) MIT PHP
TYPO3 - Powerful and advanced CMS with a large community. (Source Code) GPL-2.0 PHP
Umbraco - The friendly CMS. Free and open source with an amazing community. (Source Code) MIT .NET
Wagtail - Django content management system focused on flexibility and user experience. (Source Code) BSD-3-Clause Python
WonderCMS - WonderCMS is the smallest flat file CMS since 2008. (Demo, Source Code) MIT PHP
WordPress - World's most-used blogging and CMS engine. (Source Code) GPL-2.0 PHP
WriteFreely - Writing software for starting a minimalist, federated blog — or an entire community. (Source Code) AGPL-3.0 Go

Recipe management

Mealie - Material design inspired recipe manager with category and tag management, shopping-lists, meal-planner, and site customizations. Mealie is focused on simple user interactions to keep the whole family using the app. (Source Code) MIT Python
OpenEats - Recipe management site that allows users to create, store, share and rate recipes, create grocery lists, and more. (Demo) MIT Python
RecipeSage - A recipe keeper, meal plan organizer, and shopping list manager that can import recipes directly from any URL. (Demo) AGPL-3.0 Node.JS
Tandoor Recipes - Django application to manage, tag and search recipes using either built-in models or external storage providers hosting PDFs, Images or other files. (Demo, Source Code) MIT Python

E-commerce

Aimeos - Ultra fast, Open Source e-commerce framework for building custom online shops, market places and complex B2B applications scaling to billions of items with Laravel. (Demo, Source Code) LGPL-3.0/MIT PHP
Attendize - Ticket selling and event management platform. (Source Code) AAL PHP
Bagisto - Leading Laravel open source e-commerce framework with multi-inventory sources, taxation, localization, dropshipping and more exciting features. (Demo, Source Code) MIT PHP
CoreShop - CoreShop is a e-commerce plugin for Pimcore. (Source Code) GPL-3.0 PHP
Drupal Commerce - Drupal Commerce is a popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules. (Source Code) GPL-2.0 PHP
Magento - Leading provider of open omnichannel innovation. (Demo, Source Code) OSL-3.0 PHP
Microweber - Drag and Drop CMS and online shop. (Demo, Source Code) Apache-2.0 PHP
OpenBazaar - Decentralized marketplace using cryptocurrency. (Source Code) MIT Go
OpenCart - Free open source shopping cart solution. (Source Code) GPL-3.0 PHP
Open Classifieds - Free open-source, self-hosted CMS for classifieds sites. (Source Code) GPL-3.0 PHP
Open Source POS - Open Source Point of Sale is a web based point of sale system. ( Source Code) MIT PHP
OXID eShop - OXID eShop is a flexible open source e-commerce software with a wide range of functionalities. (Demo, Source Code) GPL-3.0 PHP
Open Food Network - Online marketplace for local food. It enables a network of independent online food stores that connect farmers and food hubs with individuals and local businesses. (Source Code) AGPL-3.0 Ruby
PrestaShop - PrestaShop offers a free, open-source and fully scalable e-commerce solution. (Demo, Source Code) OSL-3.0 PHP
Pretix - Django based ticket sales platform for events. (Source Code) Apache-2.0 Python
Reaction Commerce - Customizable, real-time reactive, JavaScript commerce platform. (Source Code) GPL-3.0 Nodejs
Saleor - Django based open-sourced e-commerce storefront. (Demo, Source Code) BSD-3-Clause Python
Shuup - Django powered fully customizable open source e-commerce framework for small and large sites. (Source Code) AGPL-3.0 Python
Shopware Community Edition - PHP based open source e-commerce software made in Germany. (Demo, Source Code) MIT PHP
Solidus - A free, open-source ecommerce platform that gives you complete control over your store. (Demo, Source Code) BSD-3-Clause Ruby
Spree Commerce - Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails. (Demo, Source Code) BSD-3-Clause Ruby
Sylius - Symfony2 powered open source full-stack platform for eCommerce. (Demo, Source Code) MIT PHP
Thelia - Thelia is an open source and flexible e-commerce solution. (Demo, Source Code) LGPL-3.0 PHP
WooCommerce - WordPress based e-commerce solution. (Source Code) GPL-3.0 PHP

DNS

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See https://github.com/n1trux/awesome-sysadmin#dns

blocky - Fast and lightweight DNS proxy (like Pi-hole) as ad-blocker for local network with many features. Apache-2.0 Go
CoreDNS - Plugin driven DNS Server with support for proxying to Google's DNS-over-HTTPS. (Source Code) Apache-2.0 Go
Maza ad blocking - Local ad blocker. Like Pi-hole but local and using your operating system. (Source Code) Apache-2.0 Bash
nsupdate.info - nsupdate.info is a dynamic DNS service. (Demo, Source Code) BSD-3-Clause Python
SPF Toolbox - Application to look up DNS records such as SPF, MX, Whois, and more. (Source Code) MIT PHP

Document Management

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DOCAT - Host your docs. Simple. Versioned. Fancy. MIT Python/docker
Docspell - Auto-tagging document organizer and archive. (Source Code) GPL-3.0 Scala/Java
EdPaper - PDF organizer with users management. MIT PHP
EveryDocs - A simple Document Management System for private use with basic functionality to organize your documents digitally. GPL-3.0 Ruby
I, Librarian - I, Librarian can organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia. (Demo, Source Code) GPL-3.0 PHP
Mayan EDMS - Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features. (Source Code) Apache-2.0 Python
Papermerge - Open Source Document Management System focused on scanned documents (electronic archives). Features file browsing in similar way to dropbox/google drive. OCR, full text search, text overlay/selection. (Source Code) Apache-2.0 Python
Paperless - Scan, index, and archive all of your paper documents. GPL-3.0 Python
Paperless-ng - A fork of paperless, adding a new interface and many other changes under the hood. Scan, index, and archive all of your paper documents. GPL-3.0 Python
paper{s}pace - a small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks. (Source Code) MIT Java
Teedy - (Ex SismicsDocs) Lightweight document management system packed with all the features you can expect from big expensive solutions. (Source Code) GPL-2.0 Java

E-books and Integrated Library Systems (ILS)

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Some Content Management System and Archiving and Digital Preservation solutions also overlap with library and institutional repository software.

Personal e-book management software.

Calibre - E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients. (Demo, Source Code) GPL-3.0 Python
- BicBucStriim - Provides web-based access to your Calibre Library's e-book collection. (Source Code) MIT PHP
- Calibre Web - Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database. GPL-3.0 Python
- COPS - Lightweight e-book server alternative to Calibre content server or Calibre2OPDS. (Demo, Source Code) GPL-2.0 PHP
- The Epube - Self-hosted web EPUB reader using EPUB.js, Bootstrap, and Calibre. (Source Code) GPL-3.0 PHP
Kavita - Cross-platform manga server and web reader with user management, ratings and reviews, and metatdata support. (Source Code) GPL-3.0 .NET Core
Komga - Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader. (Source Code) MIT Java/Docker
Mango - Manga server and web reader with a built-in MangaDex downloader. MIT Crystal
pyShelf - Lightweight Ebook Server. (Source Code) GPL-3.0 Python

Enterprise-class library management software.

Evergreen - Highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials. (Source Code) GPL-2.0 PL/pgSQL
Koha - Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more. (Demo, Source Code) GPL-3.0 Perl
RERO ILS - Large-scale ILS that can be run as a service with consortial features, intended primarily for library networks. Includes most standard modules (circulation, acquisitions, cataloging,...) and a web-based public and professional interface. (Demo, Source Code) AGPL-3.0 Python/Other

Institutional repository and digital library software.

DSpace - Turnkey repository application providing durable access to digital resources. (Source Code) BSD-3-Clause Java
EPrints - Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions. (Demo, Source Code) GPL-3.0 Perl
Fedora Commons Repository - Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation. (Source Code) Apache-2.0 Java
Islandora - Drupal module for browsing and managing Fedora-based digital repositories. (Source Code) GPL-3.0 PHP
Samvera Hyrax - Front-end for the Samvera framework, which itself is a Ruby on Rails application for browsing and managing Fedora-based digital repositories. (Source Code) Apache-2.0 Ruby

Federated Identity/Authentication

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See https://github.com/n1trux/awesome-sysadmin#identity-management

Feed Readers

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CommaFeed - Google Reader inspired self-hosted RSS reader. (Source Code) Apache-2.0 Java
Feedbin - Simple, fast and nice looking RSS reader. (Source Code) MIT Ruby
FeedHQ - FeedHQ is a web-based feed reader. (Source Code) BSD-3-Clause Python
FreshRSS - Self-hostable RSS feed aggregator. (Demo, Source Code, Clients) AGPL-3.0 PHP
JARR - JARR (Just Another RSS Reader) is a web-based news aggregator and reader (fork of Newspipe). (Demo, Source Code) AGPL-3.0 Python
Kriss Feed - Simple and smart (or stupid) feed reader. (Demo, Source Code) CC0-1.0 PHP
Leed - Leed (for Light Feed) is a Free and minimalist RSS aggregator. (Source Code) AGPL-3.0 PHP
Leselys - Your very elegant RSS reader. AGPL-3.0 Python
Lite-Reader - Read your feeds on your own machine with a simple and lite application. (Demo) BSD-3-Clause PHP
Moonmoon - simple feed aggregator (planet like): it only aggregates feeds and spits them out in one single page. (Source Code) BSD-3-Clause PHP
Miniflux - Miniflux 2 is a minimalist and open source news reader, written in Go and PostgreSQL. (Source Code) Apache-2.0 Go
NewsBlur - NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument. (Source Code) MIT Python
newsdash - A news dashboard inspired by iGoogle and Netvibes. AGPL-3.0 NodeJS
Newspipe - Newspipe is a web news reader. (Demo) AGPL-3.0 Python
reader - A Python feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies. BSD-3-Clause Python
Reader-Self - Self-hosted rss reader (php / mysql or sqlite) - Google Reader alternative. (Source Code) GPL-3.0 PHP
RSS Monster - RSS Monster is an easy to use web-based RSS aggregator and reader compatible with the Fever API, created as an alternative for Google Reader. MIT PHP
Selfoss - New multipurpose rss reader, live stream, mashup, aggregation web application. (Source Code) AGPL-3.0 PHP
Sismics Reader - Free and open source feeds reader, including all major Google Reader features. (Demo, Source Code) GPL-2.0 Java
Stringer - Work-in-progress self-hosted, anti-social RSS reader. MIT Ruby
Temboz - Two-column feed reader emphasizing filtering capabilities to manage information overload. MIT Python
Tiny Tiny RSS - Open source web-based news feed (RSS/Atom) reader and aggregator. (Demo, Source Code) GPL-3.0 PHP
- gritttt-rss - More features for Tiny Tiny RSS. (Source Code) BSD-2-Clause Python
- ttrss-mobile - Mobile webapp for Tiny Tiny RSS. AGPL-3.0 Javascript
- ttrss-reader - Light and responsive client for TTRSS. GPL-2.0 Javascript
Winds ⚠ - Open source and beautiful RSS reader built using React/Redux/Sails/Node and Stream. It showcases personalized feeds powered by the Stream API. (Demo, Source Code) BSD-3-Clause Nodejs

RSS/Atom automation

Feedpushr - Powerful RSS aggregator, able to transform and send articles to many outputs. Single binary, extensible with plugins. GPL-3.0 Go
Full-Text RSS - Extract article content from news sites and blogs and convert RSS feeds that contain only extracts of stories to full-text feeds. Developed by FiveFilters.org. (Source Code) GPL-3.0 PHP
Goeland - Reads RSS/Atom feeds and filter/digest them to create beautiful emails. MIT Go
PolitePol - Online tool for creation of RSS feeds for any web page. (Demo) MIT Python
RSS Fulltext Proxy - Mirrors RSS feeds to return the full content of the items, extracted from the website. MIT NodeJS
RSS Merger - PHP script which will take multiple RSS / Atom feeds as input and merge them into a single RSS feed. GPL-2.0 PHP
RSS-Bridge - rss-bridge is a PHP project capable of generating ATOM feeds for websites which don't have one. Unlicense PHP
RSS2EMail - Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML. GPL-2.0 Python
Screaming Liquid Tiger - Simple script to automatically generate valid RSS and Atom feeds from a list of media files in the same folder. MIT PHP

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Some Groupware solutions also feature file sharing and synchronization.

Distributed filesystems

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See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems

File transfer/synchronization

Git Annex - File synchronization between computers, servers, external drives. (Source Code) GPL-3.0 Haskell
Kinto - Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. (Source Code) Apache-2.0 Python
myDrive - Fully featured online storage solution, upload/download files, photo/video viewer, and more, all through the web client. (Demo) GPL-3.0 Node.js
Nextcloud - Access and share your files, calendars, contacts, mail and more from any device, on your terms. (Demo, Source Code) AGPL-3.0 PHP
OpenSSH/SFTP - Secure File Transfer Program. (Source Code) BSD-2-Clause C
ownCloud - All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more. (Source Code, Clients) AGPL-3.0 PHP
Pydio - Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers. (Source Code) AGPL-3.0 PHP
Samba - Samba is the standard Windows interoperability suite of programs for Linux and Unix. It provides secure, stable and fast file and print services for all clients using the SMB/CIFS protocol. (Source Code) GPL-3.0 C
Seafile - File hosting and sharing solution primary for teams and organizations. (Source Code) GPL-2.0/GPL-3.0/AGPL-3.0/Apache-2.0 C
SparkleShare - Self hosted, instant, secure file sync. (Source Code) GPL-3.0 C#
Syncany - Secure file sync software for arbitrary storage backends, an open-source cloud storage and filesharing application. Securely synchronize your files to any kind of storage. GPL-3.0 Java
Syncthing - Syncthing is an open source peer-to-peer file synchronisation tool. (Source Code) MPL-2.0 Go
Unison - Unison is a file-synchronization tool for OSX, Unix, and Windows. GPL-3.0 OCaml
Z-Push - Implementation of Microsoft’s ActiveSync protocol. (Source Code) AGPL-3.0 PHP

Peer-to-peer filesharing

bittorrent-tracker - Simple, robust, BitTorrent tracker (client and server) implementation. (Source Code) MIT Nodejs
cloud-torrent - Torrent Web Client with HTTP retrievable or streamable downloaded files. AGPL-3.0 Go
Dat Project - Powerful decentralized file sharing applications built from a large ecosystem of modules. (Source Code) MIT Nodejs
FilePizza - Peer-to-peer file transfers in your browser. (Source Code) BSD-3-Clause Nodejs
instant.io - Streaming file transfer over WebTorrent. (Demo) MIT Nodejs
Magnetico - Magnetico is the first autonomous (self-hosted) BitTorrent DHT search engine suite that is designed for end-users. AGPL-3.0 Python
Magnetissimo - Search engine that indexes all popular torrent sites. MIT Elixir
Opentracker - Open and free bittorrent tracker. It aims for minimal resource usage and is intended to run at your wlan router. (Source Code) Beerware C
peerflix-server - Downloads torrent files and provides a direct link download or a direct link stream. MIT Nodejs
qBittorrent - Free cross-platform bittorrent client with a feature rich Web UI for remote access. (Source Code) GPL-2.0 C++
rartracker - Complete private bittorrent tracker. WTFPL PHP
Send - Simple, private, end to end encrypted temporary file sharing, originally built by Mozilla. (Clients) MPL-2.0 Nodejs
Torrents.csv - A self-hostable torrent search engine. GPL-3.0 Rust
Transmission - Fast, easy, Free Bittorrent client. (Source Code) GPL-3.0 C

Object storage/file servers

Minio - Minio is an open source object storage server compatible with Amazon S3 APIs. (Source Code) Apache-2.0 Go
SeaweedFS - SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity. Apache-2.0 Go
SFTPGo - Flexible, fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. AGPL-3.0 Go
Zenko CloudServer - Zenko CloudServer, an open-source Node.js implementation of a server handling the Amazon S3 protocol. (Source Code) Apache-2.0 Nodejs

Single-click/drag-n-drop upload

BoZoN - Minimalist Drag and drop file sharing app. AGPL-3.0 PHP
Chibisafe - Blazing fast file uploader and awesome bunker written in node. (Source Code) MIT Nodejs
Coquelicot - Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy. (Source Code) AGPL-3.0 Ruby
elixire - Simple yet advanced screenshot uploading and link shortening service. (Source Code, Clients) AGPL-3.0 Python
fibridge - Stream huge files out of your browser without having to upload. MIT Rust
FireShare - A full-stack, pub-sub, real-time secure file sharing system. (Demo) MIT Nodejs
FileShelter - FileShelter is a self-hosted software that allows you to easily share files over the Internet. (Demo) GPL-3.0 C++
Files Sharing - Open Source and self-hosted files sharing application based on unique and temporary links. GPL-3.0 PHP
Gokapi - Lightweight server to share files, which expire after a set amount of downloads or days. Similar to the discontinued Firefox Send, with the difference that only the admin is allowed to upload files. GPL-3.0 Go
goploader - Easy file sharing with server-side encryption, curl/httpie/wget compliant. MIT Go
image-uploader - A shareX compatible image uploader built for speed with a web interface and REST API. AGPL-3.0 Rust
imgpush - imgpush is a self-hosted file upload service that can easily be integrated into other webapps. MIT Python
ipfs.pics - ipfs.pics is a distributed image hosting website. AGPL-3.0 PHP
Jirafeau - Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it. (Demo) AGPL-3.0 PHP
Kleeja - File Upload/sharing application, used by thousands of webmasters since 2007. (Source Code) GPL-2.0 PHP
linx-server - Simple file sharing and pastebin with API, auto-expiry, deletion keys, and web seed support. (Demo) GPL-3.0 Go
lufi - Let's Upload that FIle, client-side encrypted. (Demo, Source Code) AGPL-3.0 Perl
lutim - Let's Upload That Image. AGPL-3.0 Perl
OnionShare - Securely and anonymously share a file of any size. GPL-2.0 Python
PictShare - PictShare is a multi lingual, open source image hosting service with a simple resizing and upload API. (Source Code) Apache-2.0 PHP
Plik - Plik is a scalable and friendly temporary file upload system. (Demo) MIT Go
Pomf - Simple file uploading and sharing, source for the now shut down site Pomf.se. MIT PHP
ProjectSend - Upload files and assign them to specific clients you create. Give access to those files to your clients. (Source Code) GPL-2.0 PHP
PsiTransfer - Simple open source self-hosted file sharing solution with robust up-/download-resume and password protection. BSD-2-Clause Nodejs
Pste - Just a simple file hosting application inspired by the likes of pomf.se and teknik.io. (Source Code) GPL-3.0 Python
Share - Simple yet advanced uploader - upload files, images and text with moderation tools for admins. Can be used for friends and family or just for you. Integration with ShareX and more. MIT Nodejs
Sharry - Share files easily over the internet between authenticated and anonymous users (both ways) with resumable up- and downloads. GPL-3.0 Scala/Java
Uguu - Stores files and deletes after X amount of time. (Source Code) MIT PHP
Up1 - Client-side Encrypted Image Host. MIT Nodejs
Web-File-Uploader - A simple tool to let people upload and share images and files. (Source Code) MIT Nodejs
XBackBone - A simple, fast and lightweight file manager with instant sharing tools integration, like ShareX (a free and open-source screenshot utility for Windows). AGPL-3.0 PHP
YouTransfer - YouTransfer is a simple but elegant self-hosted file transfer and sharing solution. (Source Code) Apache-2.0 Nodejs
Zipline - A lightweight, fast and reliable file sharing server that is commonly used with ShareX, offering a react-based Web UI and fast API. (Source Code) MIT Nodejs

Command-line file upload

Beauties - Minimalist file sharing written in Go, to be used primarily from Unix shell (e.g. with curl). Can be built as a Debian package for easy install. MIT Go
transfer.sh - Easy file sharing from the command line. (Source Code) MIT Go

Web based file managers

Apaxy - Theme built to enhance the experience of browsing web directories, using the mod_autoindex Apache module and some CSS to override the default style of a directory listing. (Source Code) Unlicense HTML
DirectoryLister - Simple PHP based directory lister that lists a directory and all its sub-directories and allows you to navigate there within. (Source Code) MIT PHP
Encode Explorer - Encode Explorer is a single page file browser, it is simple and functional. (Demo, Source Code) MIT PHP
explorer - Highly-configurable directory listing made with nodejs. (Source Code) MIT Nodejs
filebrowser - Web File Browser with a Material Design web interface. (Source Code) Apache-2.0 Go
FileGator - FileGator is a powerful multi-user file manager with a single page front-end. (Demo, Source Code) MIT PHP
Filestash - A web file manager that lets you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, or Google Drive . (Demo, Source Code) AGPL-3.0 Go
goBrowser - Simple http file browser. GPL-3.0 Go
Gossa - Gossa is a light and simple webserver for your files. MIT Go
h5ai - Modern file indexer for HTTP web servers with focus on your files. Directories are displayed in a appealing way and browsing them is enhanced by different views, a breadcrumb and a tree overview. (Demo, Source Code) MIT PHP
IFM - Single script file manager. MIT PHP
ResourceSpace - ResourceSpace open source digital asset management software is the simple, fast, and free way to organise your digital assets. (Demo, Source Code) Other PHP
s3server - Simple HTTP interface to index and browse files in a public S3 or Google Cloud Storage bucket. MIT Go
Surfer - Simple static file server with webui to manage files. MIT Nodejs
TagSpaces - TagSpaces is an offline, cross-platform file manager and organiser that also can function as a note taking app. The WebDAV version of the application can be installed on top of a WebDAV servers such as Nextcloud or ownCloud. (Demo, Source Code) AGPL-3.0 Javascript

Games

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Games, game servers and control panels.

A Dark Room - Minimalist text adventure game for your browser. (Demo) MPL-2.0 HTML5
Agar.IO Clone - Agar.io clone written with Socket.IO and HTML5 canvas. MIT Nodejs
battlecraft - Fully distributed multiplayer browser game. Apache-2.0 Erlang
elevatorsaga - The elevator programming game. (Source Code) MIT Javascript
Hextris - Fast paced HTML5 puzzle game inspired by Tetris. (Demo) GPL-3.0 HTML5
Legend of the Green Dragon - Legend of the Green Dragon is a text-based RPG originally developed by Eric Stevens and JT Traub as a remake of and homage to the classic BBS Door game, Legend of the Red Dragon, by Seth Able Robinson. (Demo) AGPL-3.0 PHP
Lila - The forever free, adless and open source chess server powering lichess.org, with official iOS and Android client apps. (Source Code) AGPL-3.0 Scala
Mindustry - Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities. (Source Code) GPL-3.0 Java
Minetest - An open source voxel game engine. Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server. (Source Code) LGPL-2.1/CC-BY-SA-3.0/Other C++
MTA:SA ⚠ - Multi Theft Auto (MTA) is a software project that adds network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found. (Source Code) GPL-3.0 C++
Net64+ ⚠ - Net64 aka SM64O allows playing Super Mario 64 in an online multiplayer mode. Net64+ is the official continuation of the program and features an integrated server list. (Source Code, Clients) MIT Nodejs
node-virtual-gamepads - Turn your smartphone into a game controller, keyboard, or touchpad for a remote Linux OS machine. MIT Nodejs/CoffeScript
Posio - Geography multiplayer game. MIT Python
piqueserver - Server for openspades, the first-person shooter in a destructible voxel world. (Clients) GPL-3.0 Python/C++
QuakeJS - QuakeJS is a port of ioquake3 to JavaScript that can be played in a browser. MIT Nodejs
Quizmaster - A web-app for conducting a quiz, including a page for players to enter their answers. Apache-2.0 Scala
RconCli - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. MIT Go
SourceBans++ - Admin, ban, and communication management system for games running on the Source engine. (Source Code) CC-BY-SA-4.0 PHP
Teeworlds - Open source 2D retro multiplayer shooter. (Source Code) BSD-3-Clause/Other C++
TournamentMango - TournamentMango is an open source tournament bracket and user management system. You can build an archive of players and keep track of all their scores over time as well as their regular characters, games, and aliases. MIT Javascript
The Battle for Wesnoth - The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat.
Zero-K - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ZK source

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asciinema - Web app for hosting asciicasts. (Demo) Apache-2.0 Elixir/Docker
GateOne - Gate One is an HTML5 web-based terminal emulator and SSH client. (Source Code) AGPL-3.0 Python
Guacamole - Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. (Source Code) Apache-2.0 Java/C
Neko - A self hosted virtual browser (rabb.it clone) that runs in Docker. Apache-2.0 Docker/Go
oneye - Cloud software to access your data from everywhere with any browser. (Demo, Source Code) AGPL-3.0 PHP
OS.js - Desktop implementation for your browser with a fully-fledged window manager, Application APIs, GUI toolkits and filesystem abstraction. (Demo, Source Code) BSD-2-Clause Nodejs
ShellHub - ShellHub is a modern SSH server for remotely accessing linux devices via command line (using any SSH client) or web-based user interface, designed as an alternative to sshd. Think ShellHub as centralized SSH for the the edge and cloud computing. (Source Code) Apache-2.0 Go/Other
Sshwifty - Sshwifty is a SSH and Telnet connector made for the Web. AGPL-3.0 Go/Docker
tmate - Instant terminal sharing. (Source Code) ISC C

Genealogy

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Genea.app - Genea is a privacy by design and open source tool anyone can use to author or edit their family tree. Data is stored in the GEDCOM format and all processing is done in the browser. (Source Code) MIT Javascript
GeneWeb - GeneWeb is an open source genealogy software written in OCaml. It comes with a Web interface and can be used off-line or as a Web service. (Demo, Source Code) GPL-2.0 OCAML
webtrees - Webtrees is the web's leading on-line collaborative genealogy application. (Demo, Source Code) GPL-3.0 PHP

Groupware

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BlueMind - Groupware with email, calendar, addressbooks, exchange active sync, exchange "mapi" protocol support. (Source Code) AGPL-3.0 Java
Citadel - Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more. (Source Code) GPL-3.0 C
Corteza - CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions. (Demo, Source Code) Apache-2.0 Go
Cozy Cloud - Personal cloud where you can manage and sync your contact, files and calendars, and manage your budget with an app store full of community contributions. (Source Code) GPL-3.0 Nodejs
egroupware - Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS. (Source Code) GPL-2.0 PHP
EspoCRM - CRM with a frontend designed as a single page application, and a REST API. (Demo, Source Code) GPL-3.0 PHP
Horde - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. (Demo, Source Code) GPL-2.0 PHP
HRCloud2 - Full-featured home hosted Cloud Drive, Personal Assistant, App Launcher, File Converter, Streamer, Share Tool and more. GPL-3.0 PHP
Kolab - Kolab community is a unified communication and collaboration system. (Source Code) GPL-2.0/LGPL-2.1/GPL-3.0 C++/Python/PHP
Kopano - Groupware suite including e-mail, calendars, tasks, todos and notes. Featuring a modern WebApp, DeskApp and mobile access over Z-Push/ActiveSync. (Demo, Source Code) AGPL-3.0 C/Python/PHP
Openmeetings - Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. (Source Code) Apache-2.0 Java
SOGo - SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface. (Demo, Source Code) LGPL-2.1 Objective-C
SuiteCRM - The award-winning, enterprise-class open source CRM. (Source Code) AGPL-3.0 PHP
Tine 2.0 - Contacts, Calendar, Tasks, WebDAV, ActiveSync, VOIP, Mail-Client, CRM, Sales, Projects, Timetracker. (Demo, Source Code) AGPL-3.0/Other PHP
Zimbra Collaboration - Email, calendar, collaboration server with Web interface and lots of integrations. (Source Code) GPL-2.0/CPAL-1.0 Java

Human Resources Management (HRM)

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admidio - Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization. (Demo, Source Code) GPL-2.0 PHP
IceHrm - IceHrm employee management system allows companies to centralize confidential employee information. (Demo, Source Code) Apache-2.0 PHP
OrangeHRM - OrangeHRM is a comprehensive HRM system that captures all the essential functionalities required for any enterprise. (Source Code) GPL-2.0 PHP
Sentrifugo - Sentrifugo is a HRM system that can be easily configured to meet your organizational needs. (Source Code) GPL-3.0 PHP
TimeOff.Management - Simple yet powerful absence management software for small and medium size business. (Demo, Source Code) MIT Nodejs

Internet Of Things (IoT)

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DeviceHive - Open Source IoT Platform with a wide range of integration options. (Demo, Source Code) Apache-2.0 Java
Domoticz - Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sensors/meters like Temperature, Rain, Wind, UV, Electra, Gas, Water and much more. (Source Code, Clients) GPL-3.0 C/C++
FHEM - FHEM is used to automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly. (Source Code) GPL-3.0 Perl
Gladys - Gladys is an open-source home assistant which runs on your Raspberry Pi. (Source Code) MIT Nodejs
Home Assistant - Open-source home automation platform. (Demo, Source Code) MIT Python
Node RED - Browser-based flow editor that helps you wiring hardware devices, APIs and online services to create IoT solutions. (Source Code) Apache-2.0 Nodejs
openHAB - Vendor and technology agnostic open source software for home automation. (Source Code) EPL-2.0 Java
OpenRemote - 100% Open Source IoT Platform - IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway. (Demo, Source Code) AGPL-3.0 Java
Thingsboard - Open-source IoT Platform - Device management, data collection, processing and visualization. (Demo, Source Code) Apache-2.0 Java
Thingspeak - Open source “Internet of Things” application and API to store and retrieve data from things using HTTP. (Demo, Source Code) GPL-3.0 Ruby
WebThings Gateway - WebThings is an open source implementation of the Web of Things, including the WebThings Gateway and the WebThings Framework. (Source Code) MPL-2.0 NodeJS

Knowledge Management Tools

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Mindmaps - Open source, offline capable, mind mapping application. (Demo) AGPL-3.0 HTML5
My Mind - Web application for creating and managing mind maps. (Demo) MIT Javascript
Weaviate - A cloud-native, realtime vector search engine integrating scalable machine learning models (GraphQL and RESTful APIs). (Demo) BSD-3-Clause Go

Learning and Courses

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Canvas LMS - Canvas is the trusted, open-source learning management system (LMS) that is revolutionizing the way we educate. (Demo, Source Code) AGPL-3.0 Ruby
Chamilo LMS - Chamilo LMS allows you to create a virtual campus for the provision of online or semi-online training. (Source Code) GPL-3.0 PHP
edX - The Open edX platform is open-source code that powers edX.org. (Source Code) AGPL-3.0 Python
ILIAS - ILIAS is the Learning Management System that can cope with anything you throw at it. (Demo, Source Code) GPL-3.0 PHP
Mahara - Open Source fully featured web application to build students electronic portfolio. (Source Code) GPL-3.0 PHP
Moodle - Moodle is a learning and courses platform with one of the largest open source communities worldwide. (Demo, Source Code) GPL-3.0 PHP
Open eClass - Open eClass is an advanced e-learning solution that can enhance the teaching and learning process. (Demo, Source Code) GPL-2.0 PHP
OpenOLAT - OpenOLAT is a web-based learning management system for teaching, education, assessment and communication. (Demo, Source Code) Apache-2.0 Java
RELATE - RELATE is a web-based courseware package, includes features such as: flexible rules, statistics, multi-course support, class calendar. (Source Code) MIT Python
RosarioSIS - RosarioSIS, free Student Information System for school management. (Demo, Source Code) GPL-2.0 PHP
Sakai - The Sakai project provides a flexible and feature-rich environment for teaching, learning, research and other collaboration. (Demo, Source Code) ECL-2.0 Java

Maps and Global Positioning System (GPS)

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See also awesome-gis.

Geo2tz - Get the timezone from geo coordinates (lat, lon). MIT Go/Docker
GraphHopper - Fast routing library and server using OpenStreetMap. (Source Code) Apache-2.0 Java
Hauk - Easy to setup location sharing platform that lets you temporarily share your location with anyone in real-time. (Demo) Apache-2.0 PHP
MapBBCodeShare - Tool for sharing custom OSM maps. Support for annotated markers, polygons, lines, multi-format import/export, multiple layers, shortlinks. (Demo) WTFPL/Other PHP
Open Source Routing Machine (OSRM) - High performance routing engine designed to run on OpenStreetMap data and offering an HTTP API, C++ library interface, and NodeJS wrapper. (Demo, Source Code) BSD-2-Clause C++
Nominatim - Server application for reverse geocoding (address -> coordinates) on OpenStreetMap data. (Source Code) GPL-2.0 C
OpenGTS - Entry-level fleet tracking system. Supports variety of tracking devices and protocols. Comes with rich web-interface and reporting features. (Demo, Source Code) Apache-2.0 Java
OpenStreetMap - Collaborative project to create a free editable map of the world. (Source Code, Clients) GPL-2.0 Ruby
OpenTripPlanner - Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems. (Source Code) LGPL-3.0 Java/JavaScript
Orion - Powerful OwnTracks API-compliant location data visualization frontend for the web. (Demo) MIT Python/Nodejs
OwnTracks Recorder ⚠ - Store and access data published by OwnTracks location tracking apps. GPL-2.0 C/Lua
TileServer GL - Vector and raster maps with GL styles. Server side rendering by Mapbox GL Native. Map tile server for Mapbox GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc. (Source Code) BSD-2-Clause Nodejs
TileServer PHP - Serve map tiles from any PHP hosting. BSD-2-Clause PHP
Traccar - Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips. (Demo, Source Code) Apache-2.0 Java
μlogger - Collect geolocation from users in real-time and display their GPS tracks on a website. (Demo) GPL-3.0 PHP
uMap - Create maps with OpenStreetMap layers in a minute and embed them in your site. (Source Code) WTFPL Python

Media Streaming

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Multimedia Streaming

Gerbera - Gerbera is an UPnP Media Server. It allows you to stream your digital media throughout your home network and listen to/watch it on a variety of UPnP compatible devices. (Source Code) GPL-2.0 C++
homehost ⚠ - Self-hosted React + Redux app that streams your media collection (music, movies, books, podcasts, comics etc). MIT Nodejs
Icecast 2 - streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between. (Source Code, Clients) GPL-2.0 C
Jellyfin - Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi. (Demo, Source Code) GPL-2.0 C#
Karaoke Forever - Host awesome karaoke parties where everyone can easily find and queue songs from their phone's web browser. The player is also browser-based with support for MP3+G, MP4 and WebGL visualizations. (Source Code) ISC Nodejs
LBRY - Is a secure, open, and community-run digital marketplace that aims to replace Youtube and Amazon. (Demo, Source Code, Clients) MIT PHP
MistServer - Streaming media server that works well in any streaming environment. (Source Code) AGPL-3.0 C++
NymphCast - NymphCast is a Chromecast alternative which turns your choice of Linux-capable hardware into an audio and video source for a television or powered speakers. (Source Code) BSD-3-Clause C++
Podify - Allows you to download videos and audio from any source supported by youtube-dl and subscribe to and watch these downloads using your favorite podcast app. (Source Code) GPL-3.0 Ruby
ReadyMedia - Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. Formerly known as MiniDLNA. (Source Code) GPL-2.0 C
Rygel - Rygel is a UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. (Source Code) GPL-3.0 C
üWave ⚠ - üWave is a self-hosted collaborative listening platform. Users take turns playing media—songs, talks, gameplay videos, or anything else—from a variety of media sources like YouTube and SoundCloud. (Demo, Source Code) MIT Nodejs

Audio Streaming

Ampache - Web based audio/video streaming application. (Demo, Source Code) AGPL-3.0 PHP
Airsonic - Open-source web-based media streamer and jukebox. A fork of Subsonic's last open-source release, before it switched licenses. (Source Code, Clients) GPL-3.0 Java
AzuraCast - A modern and accessible self-hosted web radio management suite. (Source Code) Apache-2.0 PHP
Audioserve - Simple personal server to serve audio files from directories (audiobooks, music, podcasts...). Focused on simplicity and supports sync of play position between clients. MIT Rust
Beets - Music library manager and MusicBrainz tagger (command-line and Web interface). (Source Code) MIT Python
Black Candy - Music streaming server built with Rails and Stimulus. MIT Ruby
Compactd - Remote music player that supports adding content. MIT Nodejs
FriendsRadio ⚠ - Share music with your friends from Youtube and Soundcloud. (Demo) MIT Nodejs
Funkwhale - Modern, web-based, convivial, multi-user and free music server. (Demo, Source Code) BSD-3-Clause Python/Django
GNU FM - Running music community websites, alternative to last.fm. (Source Code) AGPL-3.0 PHP
gonic - Lightweight music streaming server. Subsonic compatible. GPL-3.0 Go
Groove Basin - Music player server with a web-based user interface inspired by Amarok 1.4. MIT Nodejs
koel - Personal music streaming server that works. (Source Code) MIT PHP
KooZic - Music server with powerful playlist features and Subsonic compatibility. (Demo, Source Code) LGPL-3.0/MIT Python
LibreTime - Simple, open source platform that lets you broadcast streaming radio on the web (fork of Airtime). (Source Code) AGPL-3.0 PHP
LMS - Access your self-hosted music using a web interface. (Demo) GPL-3.0 C++
moOde Audio - Audiophile-quality music playback for the wonderful Raspberry Pi family of single board computers. (Source Code) GPL-3.0 PHP
Mopidy - Extensible music server. Offers a superset of the mpd API, as well as integration with 3rd party services like Spotify, SoundCloud etc. (Source Code) Apache-2.0 Python
- Moped - Responsive HTML5 + Javascript client for the Mopidy music server. MIT HTML5
- Mopidy MusicBox - Web Client for Mopidy Music Server. Apache-2.0 HTML5
- Mopidy-Party - Mopidy web extension designed for party! Let your guests manage the sound. Apache-2.0 Python
mpd - Daemon to remotely play music, stream music, handle and organize playlists. Many clients available. (Source Code, Clients) GPL-2.0 C++
- ympd - Standalone MPD Web GUI written in C, utilizing Websockets and Bootstrap/JS. (Source Code) GPL-2.0 C
mStream - Music streaming server with GUI management tools. Runs on Mac, Windows, and Linux. (Source Code) GPL-2.0 Nodejs
musikcube - Streaming audio server with Linux/macOS/Windows/Android clients. (Source Code) BSD-3-Clause C++
Navidrome Music Streamer - Modern Music Server and Streamer, compatible with Subsonic/Airsonic. (Demo, Source Code, Clients) GPL-3.0 Go/JavaScript
Polaris - Music browsing and streaming application optimized for large music collections, ease of use and high performance. MIT Rust
Snapcast - Synchronous multiroom audio server. GPL-3.0 C++
Stretto - Music player with Youtube/Soundcloud import and iTunes/Spotify discovery. (Demo, Clients) MIT Nodejs
Volumio - A free and open source linux distribution, designed and fine-tuned exclusively for music playback. (Source Code) GPL-3.0 NodeJS

Video Streaming

Bluecherry - Closed-circuit television (CCTV) software application which supports IP and Analog cameras. (Source Code) GPL-2.0 PHP
crtmpserver - High performance RTMP/RTSP streaming server. GPL-3.0 C++
CyTube - CyTube is a web application providing media synchronization, chat, and more for an arbitrary number of channels. (Demo) MIT Nodejs
Hellowlol HTPC Manager fork - Fully responsive interface to manage all your favorite media on your HTPC. MIT Python
Invidious - ⚠ Invidious is an alternative front-end to YouTube. (Demo) AGPL-3.0 Crystal
Kerberos.io - Kerberos.io is a video surveillance solution, which works with any camera and on every Linux based machine (Raspberry Pi, Docker, Kubernetes cluster). (Demo, Source Code) MIT C++
MediaCMS - MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django/React, featuring a REST API. (Source Code) AGPL-3.0 Python/Docker
Myflix - Self-hosted, super lightweight Netflix alternative. MIT Shell
Oblecto ⚠ - Media server for Movies and TV Shows with a responsive Vue.js frontend. It has robust transcoding support as well as federation capabilities to share your library with your friends. AGPL-3.0 Nodejs
Oddworks - Oddworks is an open source video distribution platform built to destroy the barriers to streaming television with SDKs for Roku, Apple iOS/tvOS, Google Android, and Amazon FireTV. MIT Nodejs
Open Streaming Platform - Self-Hosted alternative to Twitch and Youtube Live for live and on-demand video streaming. (Source Code) MIT Python
Olaris - Olaris is an open-source, community driven, media manager and transcoding server. GPL-3.0 Go
PeerTube - Decentralized video streaming platform using P2P (BitTorrent) directly in the web browser. (Source Code) AGPL-3.0 Nodejs
Rapidbay - Self-hosted torrent videostreaming service/torrent client that allows searching and playing videos from torrents in the browser or from a Chromecast/AppleTV/Smart TV. MIT Python/Docker
Restreamer - Restreamer allows you to do h.264 real-time video streaming on your website without a streaming provider. (Source Code) Apache-2.0 Nodejs/Docker
Radium - Synced stream and video playback with VOD capabilities utilizing HLS. Developed for movie nights but has many use cases. (Demo) MIT Nodejs/Docker
ShinobiCE - Open Source CCTV software written in Node with both IP and local camera support. AGPL-3.0/GPL-3.0 Nodejs
Streama - Self hosted streaming media server. MIT Java
SyncTube - Lightweight and very simple to setup CyTube alternative to watch videos with friends and chat. (Demo) MIT Nodejs/Haxe
Tube - a Youtube-like (without censorship and features you don't need!) Video Sharing App written in Go which also supports automatic transcoding to MP4 H.265 AAC, multiple collections and RSS feed. (Demo, Source Code) MIT Go
VideoLAN Client (VLC) - Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. (Source Code) Multiple C
Zoneminder - Closed-circuit television (CCTV) software application which supports IP, USB and Analog cameras. (Source Code) GPL-2.0 PHP

Misc/Other

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2FAuth - A web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes. (Demo) AGPL-3.0 PHP
411 - Alert Management Web Application. MIT PHP
AlertHub ⚠ - AlertHub is a simple tool to get alerted from GitHub releases. MIT Nodejs
Anchr - Anchr is a toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads. (Source Code) GPL-3.0 Nodejs
Anuko - Anuko provides simple time and project tracking on a selfhosted basis. (Demo, Source Code) Other PHP
asciiflow - Flow Diagram Drawing Tool. (Source Code) GPL-3.0 Java/JavaScript
Databunker - Network-based, self-hosted, GDPR compliant, secure database for personal data or PII. (Source Code) MIT Go
blynk - Platform with iOS and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. (Source Code) AGPL-3.0 Java
Cachet - An open source status page system for everyone. (Demo, Source Code) BSD-3-Clause PHP
CapRover - Build your own PaaS in a few minutes. (Demo, Source Code) Apache-2.0 Docker/Nodejs
changedetection.io - Self-hosted tool for staying up-to-date with web-site content changes. Apache-2.0 Python/Docker
cState - Static status page for hyperfast Hugo. Clean design, minimal JS, super light HTML/CSS, high customization, optional admin panel, read-only API, IE8+. Best used with Netlify, Docker. (Demo) MIT Go
CUPS - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. (Source Code) GPL-2.0 C
CyberChef - Perform all manner of "cyber" operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more. (Demo) Apache-2.0 JavaScript
DailyTxT - Encrypted Diary Web-App to save your personal memories of each day. Includes a search-function and encrypted file-upload. MIT Python
Digital-Currency - Create your own Self-Hosted Digital Currency. (Demo) GPL-3.0 Nodejs
DomainMOD - Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data. (Demo, Source Code) GPL-3.0 PHP
Flox ⚠ - Self hosted movie, TV series and anime watch list with a 3-point rating system. Uses The Movie Database backend for information. (Demo) MIT PHP
formspree ⚠ - Just send your form to our URL and we'll forward it to your email. No PHP, Javascript or sign up required. (Demo, Source Code) AGPL-3.0 Python
graph-vl - Identity document verification using Machine Learning and GraphQL. MIT Python
How Secure Is My Password - Rather than just saying a password is "weak" or "strong", How Secure is My Password? lets your users know how long it would take someone to crack their password. (Demo) MIT Javascript
google-webfonts-helper ⚠ - Hassle-Free Way to Self-Host Google Fonts. Get eot, ttf, svg, woff and woff2 files + CSS snippets. (Demo) MIT Nodejs
ytdl-webserver - Docker-ready webserver for downloading youtube videos. MIT Nodejs
Journal - Simple journaling with encrypted entries and sharing capabilities. MIT Ruby
Kimai - Kimai is a free & open source timetracker. It tracks work time and prints out a summary of your activities on demand. (Demo, Source Code) MIT PHP
King Phisher - King Phisher is a tool for testing and promoting user awareness by simulating real world phishing attacks. BSD-3-Clause Python
MailyGo - MailyGo is a small tool written in Go that allows to send HTML forms, for example from static websites without a dynamic backend, via email. MIT Go
MalwareMultiScan - Self-hosted VirusTotal-like for scanning files with multiple antiviruses running in a Docker. MIT C#
MindsDB - MindsDB is an open source self hosted AI layer for existing databases that allows you to effortlessly develop, train and deploy state-of-the-art machine learning models using standard queries. GPL-3.0 Python
MissionKontrol - Configurable admin panel allowing non-technical users to CRUD data on MySQL/PostGRES databases. (Source Code) AGPL-3.0 Ruby
Monica - Personal relationship manager, and a new kind of CRM to organize interactions with your friends and family. (Source Code) AGPL-3.0 PHP
Musical Artifacts - Helping to catalog, preserve and free the artifacts you need to produce music. (Source Code) MIT Ruby
nnmm - Super tiny pastebin/url minifier "microservice". Beerware PHP
Notica - Lets you send browser notifications from your terminal to your desktop or phone. No installation or registration is required. (Source Code) MIT Nodejs
Ombi - A content request system for Plex/Emby, connects to SickRage, CouchPotato, Sonarr, with a growing feature set. (Demo, Source Code) GPL-2.0 C#
Orchest - A new kind of IDE for Data Science. (Demo, Source Code) AGPL-3.0 Docker
oTranscribe - Free web app to take the pain out of transcribing recorded interviews. (Demo) MIT JavaScript
PassCheck - A web application featuring some handy password tools, including a password generator, strength checker and HaveIBeenPwned breach checker. (Source Code) MIT JavaScript
Reactive Resume - A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. (Demo, Source Code) MIT Docker/Nodejs
ReleaseBell - Send release notifications for starred Github repos. (Source Code) MIT Nodejs
revealjs - Framework for easily creating beautiful presentations using HTML. (Demo, Source Code) MIT JavaScript
Revive Adserver - World's most popular free, open source ad serving system. Formerly known as OpenX Adserver and phpAdsNew. (Source Code) GPL-2.0-or-later PHP
SANE Network Scanning - Allow remote clients to access image acquisition devices (scanners) available on the local host. (Source Code) GPL-2.0 C
TeslaMate - A powerful data logger for Tesla vehicles. MIT Elixir
Trello Burndown ⚠ - Easy to use SCRUM burndown chart for Trello boards. MIT Go/Docker
ViMbAdmin - Provides a web based virtual mailbox administration system to allow mail administrators to easily manage domains, mailboxes and aliases. (Demo, Source Code) GPL-3.0 PHP
Web fonts repository - Simple webfont hosting. Google Fonts alternative for your own fonts. MIT PHP

Money, Budgeting and Management

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Akaunting - Akaunting is a free, online and open source accounting software designed for small businesses and freelancers. (Source Code) GPL-3.0 PHP
BTCPay Server - A self-hosted Bitcoin and other cryptocurrencies payment processor. (Demo, Source Code) MIT C#
Boodle - Simple accounting single-page application in Clojure and ClojureScript. EPL-1.0 Java
Budget App - Budget App is an open source personal budgeting application. Apache-2.0 Java
Dot Ledger - Web-based personal finance management tool. (Demo, Source Code) Apache-2.0 Ruby
EasyQuickImport ⚠ - A tool that helps you import transactions, invoices and bills into QuickBooks Desktop from Excel or CSV. MIT PHP
Economizzer - An easy and secure system for you to manage your personal money and achieve your goals, and can be accessed by computer, tablet or smartphone. (Demo, Source Code) MIT PHP
ExMoney - Self-hosted personal finance app. ISC Elixir
Firefly III - Firefly III is a modern financial manager. It helps you to keep track of your money and make budget forecasts. It supports credit cards, has an advanced rule engine and can import data from many banks. (Demo, Source Code) AGPL-3.0 PHP
Family Accounting Tool - Web-based finance management tool for partners with partially shared expenses. Apache-2.0 Scala
Fava - Fava is the web frontend of Beancount, a text based double-entry accounting system. (Demo, Source Code) MIT Python
Galette - Galette is a membership management web application towards non profit organizations. (Source Code) GPL-3.0 PHP
GRR - Assets management and booking for small/medium companies. (Source Code) GPL-2.0 PHP
Hospital Run - Hospital Run is offline enabled hospital management software. (Demo, Source Code) GPL-3.0 Nodejs
Inventaire - Collaborative resources mapper project, while yet only focused on exploring books mapping with wikidata and ISBNs. (Source Code) AGPL-3.0 Nodejs
Inventree - InvenTree is an open-source inventory management system which provides intuitive parts management and stock control. (Source Code) MIT Python
Invoice Ninja - Powerful tool to invoice clients online. (Demo, Source Code) AAL PHP
InvoicePlane - Manage quotes, invoices, payments and customers for your small business. MIT PHP
IHateMoney - Manage your shared expenses, easily. (Demo, Source Code) BSD-3-Clause Python
IHateToBudget - A simple web app to understand and control your expenses. GPL-3.0 Docker/Python
Kresus - Open source personal finance manager. (Demo, Source Code) MIT Nodejs
OnTrack - A simple app to track spend and set goals. MIT Ruby/React
PartKeepr - PartKeepr is an electronic part inventory management software. It helps you to keep track of your available parts and assist you with re-ordering parts. (Demo, Source Code) GPL-3.0 PHP
SilverStrike - Personal finance management made easy. (Demo, Source Code) MIT Python/Django
StockazNG - Asset Management System. MIT Python
Tabby - A tool to manage shared expenses across friends, such as restaurant costs or food delivery, without requiring everyone to create an account. Includes email reminders and tracks who has (re)paid what. AGPL-3.0-only PHP

Monitoring

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See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com/n1trux/awesome-sysadmin#metric--metric-collection

Note-taking and Editors

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See also Wikis

BulletNotes - Workflowy / Dynalist clone with Kanban (Trello) and Calendar functionality. Organize everything. (Source Code) MIT Nodejs
Boostnote - The note-taking app for programmers that focuses on markdown, snippets, and customizability. (Source Code) GPL-3.0 JavaScript
DailyNotes - App for taking notes and tracking tasks on a daily basis in Markdown. MIT Python
dillinger - The last Markdown editor, ever. (Source Code) MIT Nodejs
Dnote - A simple command line notebook with multi-device sync and web interface. (Source Code) AGPL-3.0 Go
DocPHT - With DocPHT you can take notes and quickly document anything and without the use of any database. (Demo, Source Code) MIT PHP
draw.io - Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. (Source Code) Apache-2.0 JavaScript
HedgeDoc - Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. (Source Code) AGPL-3.0 TypeScript
Joplin - Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar. Consider it like open source alternative to Evernote. (Source Code) MIT Nodejs
Leanote - Leanote, Not Just A Notepad! Open source cloud notepad. (Demo, Source Code) GPL-2.0 Go
Markdown Edit - Online markdown editor/viewer. MIT HTML5
Meemo - Personal notes stream with Markdown support. (Source Code) MIT Nodejs
minimalist-web-notepad - Minimalist notepad.cc clone. (Demo) Apache-2.0 PHP
MiniNote - Simple Markdown note-taking app with persistence. MIT Nodejs
Notea - Self-hosted note-taking app stored on S3-compatible storage. (Source Code) MIT Nodejs
Oddmuse - A simple wiki engine written in Perl. No database required. (Source Code) GPL-3.0 Perl
OpenNote - OpenNote was built to be an open web-based alternative to Microsoft OneNote (T) and EverNote. (Demo) MIT HTML5
Overleaf - Web-based collaborative LaTeX editor. (Source Code) AGPL-3.0 Ruby
Paperwork - OpenSource note-taking and archiving alternative to Evernote, Microsoft OneNote and Google Keep. (Source Code) MIT PHP
Plainpad - A modern note taking application for the cloud, utilizing the best features of progressive web apps technology. (Demo, Source Code) GPL-3.0 PHP
savepad - Minimalist notepad based on notepad.cc. MIT PHP
Standard Notes - Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes. (Demo, Source Code) GPL-3.0 Ruby
turndown - HTML to Markdown converter written in JavaScript. (Source Code) MIT Javascript
Trilium Notes - Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases. AGPL-3.0 Nodejs
Turtl - Totally private personal database and note taking app. (Source Code) GPL-3.0 CommonLisp
Wreeto - Wreeto is an open source note-taking, knowledge management and wiki system built on top of Ruby on Rails framework. (Source Code) AGPL-3.0 Ruby
Writing - Lightweight distraction-free text editor, in the browser (Markdown and LaTeX supported). No lag when writing. (Source Code) MIT Javascript

Office Suites

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Collabora Online Development Edition - Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure. (Source Code) MPL-2.0 C++
CryptPad - CryptPad is the zero knowledge realtime collaborative editor (rich-text, files, source-code, ...). (Source Code) AGPL-3.0 Nodejs
EtherCalc - Web spreadsheet. (Source Code) CPAL-1.0/Other Nodejs
Etherpad - Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time. (Demo, Source Code) Apache-2.0 Nodejs
Infinoted - Server for Gobby, a multi-platform collaborative text editor. (Source Code) MIT C++
ONLYOFFICE - Office suite that enables you to manage documents, projects, team and customer relations in one place. (Source Code) AGPL-3.0 Nodejs
PHPOffice - PHPOffice contains libraries which permits to write and read files from most office suites. LGPL-3.0 PHP
WebODF - Tools and libraries to view and edit Open Document Format (ODF) files. (Source Code) AGPL-3.0 HTML5

Password Managers

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Bitwarden ⚠ - Password manager with webapp, browser extension, and mobile app. (Source Code) AGPL-3.0 C#
keeweb - This webapp is a browser and desktop password manager compatible with KeePass databases. (Source Code) MIT HTML5
Padloc - A modern, open source password manager for individuals and teams. (Source Code) GPL-3.0 Nodejs
Passbolt - Password manager dedicated for managing passwords in a collaborative way on any Web server, using a MySQL database backend. (Source Code) AGPL-3.0 PHP
PassIt - Simple password manage with sharing features by group and user, but no administration interface. (Demo, Source Code) AGPL-3.0 Python
PassWall - Open source password manager. AGPL-3.0 Go
Psono - A promising password managers fully featured for teams. (Demo, Source Code) Apache-2.0 Python
Shaark - All in one platform for your links, stories, passwords and albums. Built with Laravel and Vue.js. MIT PHP
sysPass - Multiuser password management system. (Demo, Source Code) GPL-3.0 PHP
Teampass - Password manager dedicated for managing passwords in a collaborative way. One symmetric key is used to encrypt all shared/team passwords and stored server side in a file and the database. works on any server Apache, MySQL and PHP. (Source Code) GPL-3.0 PHP
Vaultwarden - Lightweight Bitwarden server API implementation written in Rust. GPL-3.0 Rust

Pastebins

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0bin - Client side encrypted pastebin. WTFPL Python
bepasty - A pastebin for all kinds of files. (Source Code) BSD-2-Clause Python
bin - a paste bin. WTFPL/0BSD Rust
cryptonote - Simple open source web application that lets users encrypt and share messages that can only be read once. (Source Code) MIT Ruby
EdPaste - Self-hosted pastebin written in Laravel (PHP Framework). MIT PHP
ExBin - A pastebin with public/private snippets and netcat server. (Demo) MIT Elixir
fiche - Command line pastebin, all you need is netcat. (Demo) MIT C
filite - A simple, light and standalone pastebin, URL shortener and file-sharing service. (Demo) MIT Rust
FlashPaper - A one-time encrypted zero-knowledge password/secret sharing application focused on simplicity and security. No database or complicated set-up required. (Demo) MIT PHP
Fugacious - Open source short-term secure messaging (OSSSM). (Source Code) CC0-1.0 Ruby
Hastebin - Open source pastebin written in Node.js (This is a fork with extended maintenance). (Demo, Source Code) MIT Node.js
LogPaste - Minimal pastebin web app that's easy to self-host and persists data to any S3-compatible backend. (Demo) MIT Go
mojopaste - Perl based pastebin. (Demo, Source Code) Artistic-2.0 Perl
MokinToken - Clientside encrypted pastebin using tweetnacl. Unlicense PHP
NoteHub - Free and Hassle-free Pastebin for Markdown Pages. Simple, clean, password provided, generated-short link. MIT Nodejs
Paste - Paste is forked from the original source pastebin.com used before it was bought. (Source Code) GPL-3.0 PHP
pastebin - Simple pastebin service with convenient api and CLI. (Demo) MIT Go
pastebin - Simple, fast, feature-rich, standalone pastebin service. MIT Rust
pb - Lightweight pastebin (and url shortener) built using flask. GPL-3.0 Python
PrivateBin - PrivateBin is a minimalist, opensource online pastebin/discussion board where the server has zero knowledge of hosted data. (Demo, Source Code) Zlib PHP
PurritoBin - Ultra fast, minimalistic, encrypted command line paste-bin, where the server has no knowledge of the paste data. ISC C++
SharpPaste - Cross-platform C# pastebin with client-side AES-256 encryption that just works. MIT C#/NancyFX
Snibox - Code snippets manager with attractive tag-oriented interface. (Demo, Source Code) MIT Ruby
snipt - Long-term memory for coders. Share and store code snippets. MIT Python
SocksBin - Simple and fast terminal based pastebin, with optional code highlighting. No specific client required, all you need is netcat. GPL-3.0 Python
Spacebin - Text-sharing for the final frontier — Reliable Pastebin server in Golang and Fiber. (Demo, Source Code) Apache-2.0 Go
Stikked - Advanced and beautiful pastebin. (Demo) GPL-3.0 PHP
Sup3rS3cretMes5age - Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage. MIT Go
Pasty - Pasty is a fast and lightweight code pasting server. (Demo) MIT Go

Personal Dashboards

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See also Monitoring

Baby Buddy - Helps caregivers track baby sleep, feedings, diaper changes, and tummy time. (Demo) BSD-2-Clause Python
Dashboard - Minimalist homepage for organizing your web applications and bookmarks using JSON-files. MIT Nodejs/Docker
DashMachine - Another web application bookmark dashboard, with fun features. GPL-3.0 Python
Dashy - Feature-rich homepage for your homelab, with easy YAML configuration. (Demo) MIT Nodejs/Docker
Habitica - Habit tracker app which treats your goals like a Role Playing Game. Previously called HabitRPG. (Source Code) GPL-3.0/CC-BY-NC-SA-3.0/CC-BY-SA-3.0 Nodejs
Heimdall - Heimdall is an elegant solution to organise all your web applications. (Source Code) MIT PHP
Hiccup - A beautiful static homepage to get to your links and services quickly. It has built-in search, editing, PWA support and localstorage caching to easily organize your start page. (Source Code) MIT HTML5
Homepage - Simple, standalone, self-hosted PHP page that is your window to your server and the web. MIT PHP
Homer - A dead simple static homepage to expose your server services, with an easy yaml configuration and connectivity check. Apache-2.0 HTML5
Organizr - Organizr aims to be your one stop shop for your Servers Frontend. GPL-3.0 PHP
Personal management system - Central point for managing personal data (billings, payments, job holidays, notes etc.). (Demo) MIT PHP
simple-dash - A simple, fully responsive Dashboard to forward to the services of your choice. (Demo) MIT Javascript
Smashing - Smashing, the spiritual successor to Dashing, is a Sinatra based framework that lets you build excellent dashboards. It looks especially great on TVs. (Source Code) MIT Ruby
wger - Web-based personal workout, fitness and weight logger/tracker. It can also be used as a simple gym management utility and offers a full REST API as well. (Demo, Source Code) AGPL-3.0 Python
Your Spotify ⚠ - Allows you to record your Spotify listening activity and have statistics about them served through a Web application. MIT Nodejs/Docker

Photo and Video Galleries

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Chevereto Free - Powerful and fast image hosting script that allows you to create your very own full featured image hosting website in just minutes. (Source Code) AGPL-3.0 PHP
Coppermine - Multilingual photo gallery that integrates with various bulletin boards. Includes upload approval and password protected albums. (Demo, Source Code) GPL-3.0 PHP
Damselfly - Server-based Digital Asset Management with workflow similar to Picasa. GPL-3.0 C#/.Net
Fussel - Fussel is a static photo gallery generator. Easily generate a reactive gallery and host the optimized static folder of assets. MIT Python
Gallery CSS - Gallery.css is all CSS. Think: Simple, maintainable and understandable galleries without the use of Javascript. (Source Code) MIT CSS
HomeGallery - Self-hosted open-source web gallery to browse personal photos and videos featuring tagging, mobile-friendly, and AI powered image discovery. (Demo, Source Code) MIT Node.js
ImageStore - Self-hosted Google Photos alternative, with a very similar UI. (Demo) Apache-2.0 Nodejs/Docker
LibrePhotos - Self hosted wannabe Google Photos clone, with a slight focus on cool graphs. MIT Python
Lychee - Open source grid and album based photo-management-system. (Source Code) MIT PHP
Mediagoblin - Free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc. (Source Code) AGPL-3.0 Python
Photato - Self-hosted photo gallery, accessible through a responsive WebUI. Directly uses and indexes a specific folder in the filesystem. AGPL-3.0 Java
PhotoLight - The easiest photo gallery there is. GPL-3.0 PHP
Photonix - A new web-based photo management application with object recognition, location awareness, color analysis and other ML algorithms. (Demo, Source Code) AGPL-3.0 Python
PhotoPrism - Personal photo management powered by Go and Google TensorFlow. Browse, organize, and share your personal photo collection, using the latest technologies to automatically tag and find pictures. (Source Code) MIT Go
Photo Stream - Minimalist self-hosted photo stream. (Demo) MIT Ruby
Photoview - A simple and user-friendly Photo Gallery for personal servers. It is made for photographers and aims to provide an easy and fast way to navigate directories, with thousands of high resolution photos. (Demo) GPL-3.0 Go
PiGallery 2 - A directory-first photo gallery website, with a rich UI, optimised for running on low resource servers. (Source Code) MIT Docker/Nodejs
Piwigo - Photo gallery software for the web, built by an active community of users and developers. (Demo, Source Code) GPL-2.0 PHP
Plumi - Create your own sophisticated video-sharing site. (Source Code) GPL-2.0 Python
Quru Image Server - High performance dynamically resizing image server offering directory based access control cropping, rotation, color management and other tools. (Demo, Source Code) AGPL-3.0 Python
sigal - Yet another simple static gallery generator. MIT Python
UberGallery - UberGallery is an easy to use, simple to manage, web photo gallery. UberGallery does not require a database and supports JPEG, GIF and PNG file types. Simply upload your images and UberGallery will automatically generate thumbnails and output HTML. (Source Code) MIT PHP
Zenphoto - Open-source gallery and CMS project. (Source Code) GPL-2.0 PHP

Polls and Events

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Calagator - Event aggregator. (Source Code) MIT Ruby
Clerk - Simple event logger to keep track of periodic events, habits, etc. as they occur. GPL-3.0 PHP
Croodle - Croodle is an end-to-end encrypted web application to schedule a date or to do a poll on any topic. MIT JavaScript
dudle - Online scheduling application. (Demo, Source Code) AGPL-3.0 Ruby
Feedka ⚠ - Open-source web application that can serve as a platform to get authentic, kindful, and constructive feedback from your friends, family, and co-workers. (Demo) AGPL-3.0 Ruby
Fider - Open source alternative to UserVoice for customer feedback. (Demo, Source Code) MIT Go
Framadate - Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. (Demo, Source Code) CECILL-B PHP
Gancio - A shared agenda for local communities. (Demo, Source Code) AGPL-3.0 Nodejs
hitobito - A web application to manage complex group hierarchies with members, events and a lot more. (Demo, Source Code) AGPL-3.0 Ruby
JD Esurvey - Open source enterprise survey web application. (Source Code) AGPL-3.0 Java
Kyélà - Participation polls for group events. (Demo, Source Code) AGPL-3.0 PHP
LimeSurvey - Feature-rich Open Source web based polling software. Supports extensive survey logic. (Demo, Source Code) GPL-2.0 PHP
Meetable - Event aggregator. (Demo, Source Code) MIT PHP
Mobilizon - A federated tool that helps you find, create and organise events and groups. (Demo, Source Code) GPL-3.0 Elixir
Open Event Server - Enables organizers to manage events from concerts to conferences and meet-ups. GPL-3.0 Python
PHPBack - The open source feedback system. (Demo, Source Code) GPL-3.0 PHP

Booking and Scheduling

Alf.io - The open source ticket reservation system. (Demo, Source Code) GPL-3.0 Java
Easy!Appointments - A highly customizable web application that allows your customers to book appointments with you via the web. (Demo, Source Code) GPL-3.0 PHP

Proxy

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http2-serverpush-proxy - Reverse proxy that helps to automatically utilize HTTP/2.0's server push mechanism for static websites. Available as middleware and standalone application. MIT Nodejs
imgproxy - Fast and secure standalone server for resizing and converting remote images. It works great when you need to resize multiple images on the fly without preparing a ton of cached resized images or re-doing it every time the design changes. MIT Go/Docker
inlets - Expose your local endpoints to the Internet - with a Kubernetes integration, Docker image and CLI available. MIT Go/Docker
iodine - IPv4 over DNS tunnel solution, enabling you to start up a socks5 proxy listener. (Source Code) ISC C
microproxy - lightweight non-caching HTTP/HTTPS proxy server. MIT Go
Nginx Proxy Manager - Nginx Proxy Manager is an easy way to accomplish reverse proxying hosts with SSL termination. (Source Code) MIT Nodejs/Docker
PHP-Proxy - Web proxy script built specifically to be fast, easy to modify and to support video sites such as YouTube. (Demo, Source Code) MIT PHP
Pomerium - An identity-aware reverse proxy, successor to now obsolete oauth_proxy. It inserts an OAuth step before proxying your request to the backend, so that you can safely expose your self-hosted websites to public Internet. (Source Code) Apache-2.0 Go
Pound - Light-weight reverse proxy and load balancer for HTTP/HTTPS. GPL-2.0 C
Privoxy - Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. GPL-2.0 C
Redbird - A modern reverse proxy for node that includes cluster, HTTP2, LetsEncrypt, and Docker support. BSD-2-Clause Javascript
sish - Open source serveo/ngrok alternative providing HTTP(S)/WS(S)/TCP tunnels to localhost using only SSH. MIT Go
socks5-proxy-server - SOCKS5 proxy server with built-in authentication and Telegram-bot for user management and user statistics on data spent (handy when you pay per GB of data). It is dockerised and simple to install. Apache-2.0 NodeJS
SOCKS5Engine - Lightweight & resource-efficient SOCKS5 proxy server, optimized for high-load. AGPL-3.0 Go
Squid - Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. (Source Code) GPL-2.0 C
Swiperproxy - Lightning-fast, open source web proxy that is easy for you to run and customize. (Source Code) MIT Python
Tinyproxy - Light-weight HTTP/HTTPS proxy daemon. (Source Code) GPL-2.0 C
Traefik - Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease. It supports several backends (Docker, Swarm, Mesos/Marathon, …) to manage its configuration automatically and dynamically. (Source Code) MIT Go

Read it Later Lists

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Nunux Keeper - Your personal content curation service. (Source Code) GPL-3.0 Nodejs
Readflow - Lightweight news reader with modern interface and features: full-text search, automatic categorization, archiving, offline support, notifications... (Source Code) MIT Go
Wallabag - Wallabag, formerly Poche, is a web application allowing you to save articles to read them later with improved readability. (Demo, Source Code) MIT PHP

Resource Planning

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farmOS - Web-based farm record keeping application. (Source Code) GPL-2.0 PHP
grocy - ERP beyond your fridge - grocy is a web-based self-hosted groceries & household management solution for your home. (Demo, Source Code) MIT PHP
Tania - Tania is a free and open source farming management system for everyone. You can manage your areas, reservoirs, farm tasks, inventories, and the crop growing progress. Apache-2.0 Go

Enterprise Resource Planning

Dolibarr - Dolibarr ERP CRM is a modern software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). (Demo, Source Code) GPL-3.0-or-later PHP
ERPNext - Free open source ERP system. (Demo, Source Code) GPL-3.0 Python
LedgerSMB - Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more. (Demo, Source Code) GPL-2.0 Perl
Odoo - Free open source ERP system. (Demo, Source Code) LGPL-3.0 Python
OFBiz - FOSS enterprise resource planning system with a suite of business applications flexible enough to be used across any industry. (Source Code) Apache-2.0 Java
Tryton - Free open source business solution. (Demo, Source Code) GPL-3.0 Python

Search Engines

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Ambar - Document Search Engine (OCR, Store & Search). (Demo, Source Code) MIT Nodejs/Python
Gigablast - open source search engine. (Source Code) Apache-2.0 C++
Jina - Cloud-native neural search framework for any kind of data. MIT Python
MeiliSearch - Ultra relevant, instant and typo-tolerant full-text search API. (Source Code) MIT Rust
Searx - Privacy-respecting, hackable metasearch engine. (Demo, Source Code) AGPL-3.0 Python
sist2 - Lightning-fast file system indexer and search tool. (Demo) GPL-3.0 C
Typesense - Blazing fast, typo-tolerant open source search engine optimized for developer happiness and ease of use. (Source Code) GPL-3.0 C++
Yacy - Peer based, decentralized search engine server. (Demo, Source Code) GPL-2.0 Java

Software Development

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Project Management

Bonobo Git Server - Set up your own self hosted git server on IIS for Windows. Manage users and have full control over your repositories with a nice user friendly graphical interface. (Source Code) MIT C#
Fossil - Distributed version control system featuring wiki and bug tracker. BSD-2-Clause-FreeBSD C
Goodwork - Self hosted project management and collaboration tool powered by Laravel & VueJS. (Demo, Source Code) MIT PHP
Gitblit - Pure Java stack for managing, viewing, and serving Git repositories. (Source Code) Apache-2.0 Java
gitbucket - Easily installable GitHub clone powered by Scala. (Source Code) Apache-2.0 Scala/Java
Gitea - Community managed fork of Gogs, lightweight code hosting solution. (Demo, Source Code) MIT Go
GitLab - Self Hosted Git repository management, code reviews, issue tracking, activity feeds and wikis. (Demo, Source Code) MIT Ruby
Gitlist - Web-based git repository browser - GitList allows you to browse repositories using your favorite browser, viewing files under different revisions, commit history and diffs. (Source Code) BSD-3-Clause PHP
Gitolite - Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features. (Source Code) GPL-2.0 Perl
GitPrep - Portable Github clone. (Demo, Source Code) Artistic-2.0 Perl
Git WebUI - Standalone web based user interface for git repositories. Apache-2.0 Python
Gogs - Painless self-hosted Git Service written in Go. (Demo, Source Code) MIT Go
Kallithea - Source code management system that supports two leading version control systems, Mercurial and Git, with a web interface. (Source Code) GPL-3.0 Python
Klaus - Simple, easy-to-set-up Git web viewer that Just Works. ISC Python
Lavagna - Lavagna is an open-source issue/project management tool designed for small teams. Lightweight, pure Java, easy to install, easy to use. (Source Code) GPL-3.0 Java
Lazylead ⚠ - Eliminate the annoying work within ticketing systems (Jira, GitHub, Trello). Allows to automate daily actions like tickets fields verification, email notifications by JQL/GQL, meeting requests to your (or teammates) calendar. (Source Code) MIT Ruby
Leantime - Leantime is a lean project management system for small teams and startups helping to manage projects from ideation through delivery. (Source Code) GPL-2.0 PHP
Microgit - Git hosting service made in Crystal and Lucky. MIT Crystal
Octobox ⚠ - Take back control of your GitHub Notifications. (Source Code) AGPL-3.0 Ruby
OpenProject - OpenProject is a web-based project management system. (Source Code) GPL-3.0 Ruby
Pagure - A lightweight, powerful, and flexible git-centric forge with features laying the foundation for federated and decentralized development. (Demo) GPL-2.0 Python
Phabricator - Collection of web applications that help build better software. (Demo, Source Code) Apache-2.0 PHP
Phproject - High performance full-featured project management system. (Demo, Source Code) GPL-3.0 PHP
ProjeQtOr - A complete, mature, multi-user project management system with extensive functionality for all phases of a project. (Demo, Source Code) AGPL-3.0 PHP
Re:Backlogs - Project management and collaboration tool powered by Ruby on Rails & VueJS. (Demo) MIT Ruby
Redmine - Redmine is a flexible project management web application. (Demo, Source Code) GPL-2.0 Ruby
RhodeCode - RhodeCode is an open source platform for software development teams. It unifies and simplifies repository management for Git, Subversion, and Mercurial. (Source Code) AGPL-3.0 Python
SCM Manager - The easiest way to share and manage your Git, Mercurial and Subversion repositories over http. (Source Code) BSD-3-Clause Java
Taiga - Agile Project Management Tool based on the Kanban and Scrum methods. (Source Code) AGPL-3.0 Python
Titra - Time-tracking solution for freelancers and small teams. (Demo, Source Code) GPL-3.0 JavaScript
Trac - Trac is an enhanced wiki and issue tracking system for software development projects. BSD-3-Clause Python
Tuleap - Tuleap is a libre suite to plan, track, code and collaborate on software projects. (Source Code) GPL-2.0 PHP
UVDesk - UVDesk community is a service oriented, event driven extensible opensource helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. (Demo, Source Code) MIT PHP
ZenTao - An agile(scrum) project management system/tool. (Demo, Source Code) ZPL-1.2 PHP

Bug Trackers

See Ticketing

IDE/Tools

Appsmith - Cloud or self-hosted open-source platform to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster. (Source Code) Apache-2.0 Java/Docker
Atheos - Web-based IDE framework with a small footprint and minimal requirements, continued from Codiad. (Source Code) MIT PHP
Babelfish - Self-hosted server for source code parsing. It can parse any file, in any supported language, extract an Abstract Syntax Tree from it, and convert it to a Universal Abstract Syntax Tree which can enable further analysis and transformation. GPL-3.0 Go
Code-Server - Visual Studio Code in the browser, hosted on a remote server. (Source Code) MIT Nodejs/Docker
Eclipse Che - Open source workspace server and cloud IDE. (Source Code) EPL-1.0 Docker/Java
Gitpod - Online IDE for GitHub and GitLab. (Demo, Source Code) EPL-2.0 Go/Docker
Hakatime - WakaTime server implementation with analytics dashboard. Unlicense Haskell
HttPlaceholder - Quickly mock away any webservice using HttPlaceholder. HttPlaceholder lets you specify what the request should look like and what response needs to be returned. MIT C#
ICEcoder - ICEcoder is a web IDE / browser based code editor, which allows you to develop websites directly within the web browser. (Demo, Source Code) MIT PHP
JS Bin - Open source collaborative web development debugging tool. (Source Code) MIT Nodejs
Judge0 API - Open source API to compile and run source code. (Source Code) GPL-3.0 Ruby
JupyterLab - Web-based environment for interactive and reproducible computing. (Demo, Source Code) BSD-3-Clause Python/Docker
Lowdefy - Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON on an self-hosted, open-source platform. Connect to your data sources, host via Serverless, Netlify or Docker. (Source Code) Apache-2.0 NodeJs
ML Workspace - All-in-one web-based IDE for machine learning and data science. Apache-2.0 Docker
Regexr - RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions. (Source Code) MIT Nodejs
RStudio Server - Web browser based IDE for R. (Source Code) AGPL-3.0 Java/C++
Slingcode - Web app IDE and computing platform in a single static HTML file. (Demo, Source Code) MIT HTML
sourcegraph - Sourcegraph is a fast, open-source, fully-featured code search and navigation engine written in Go. (Source Code) Apache-2.0 Go
Wakapi - Tracking tool for coding statistics, compatible with WakaTime. GPL-3.0 Go

Continuous Integration

See awesome-sysadmin/Continuous Integration & Continuous Deployment

UX testing

Uier - Codeless or low-code User Experience test editing and management using Selenium to perform testing or UI automation. Uier tends to be a free self hostable alternative to Applitools, Endtest, Ghost Inspector, Usetrace, Screenster and many others. Apache-2.0 Nodejs
Selenoid - Lightweight Selenium hub implementation launching browsers within Docker containers. (Source Code) Apache-2.0 Go

FaaS/Serverless

Serverless computing on Wikipedia

Appwrite - End to end backend server for web, native, and mobile developers 🚀. (Source Code) BSD-3-Clause PHP
fx - fx is a tool to help you do Function as a Service with painless on your own servers. MIT Go
IronFunctions - The serverless microservices platform by iron.io. Apache-2.0 Go
LocalStack - LocalStack is a fully functional local AWS cloud stack. This includes Lambda for serverless computation. (Source Code) Apache-2.0 Python/Other
OpenFaaS - Serverless Functions Made Simple for Docker & Kubernetes. (Source Code) MIT Go
Trusted-CGI - Lightweight self-hosted lambda/applications/cgi/serverless-functions platform. MIT Go

API Management

DreamFactory - Turns any SQL/NoSQL/Structured data into Restful API. (Source Code) Apache-2.0 PHP
form.io - A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. (Demo, Source Code) MIT NodeJS
Fusio - Open-source API management platform which helps to build and manage REST APIs. (Demo, Source Code) AGPL-3.0 PHP
Hapttic - Simple HTTP server that forwards all requests to a shell script to handle webhooks you receive. Apache-2.0 Go
Hasura - Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events. (Source Code) Apache-2.0 Haskell
Hoppscotch - A free, fast and beautiful API request builder. (Source Code) MIT Nodejs/Vue/Nuxt
Kong - The World’s Most Popular Open Source Microservice API Gateway and Platform. (Source Code) Apache-2.0 Lua
KrakenD - Open source High-Performance API Gateway. (Source Code) Apache-2.0 Go
Para - Flexible and modular backend framework/server for object persistence, API development and authentication. (Source Code) Apache-2.0 Java
Pizzly - Open-source API Integrations Manager that provides everything a developer needs to interact with OAuth based APIs. MIT Nodejs
Tyk - Fast and scalable open source API Gateway. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard. (Source Code) MPL-2.0 Go

Documentation Generators

See also Static site generators

Docstore - Static document hosting without any server-side processing, does not require you to recompile every time you change an article. Clone the repository and add articles in the text/ directory to get started. (Source Code) BSD-3-Clause Javascript
Flatdoc - Small Javascript file that fetches Markdown files and renders them as full pages. MIT Javascript
markdown-tree - Serve a hierarchy / tree directory of markdown files. Use intended for small sites built in markdown. MIT Ruby
Read the Docs - Host documentation, making it fully searchable and easy to find; import your docs using any major version control system, including Mercurial, Git, Subversion, and Bazaar. (Demo, Source Code) MIT Python

Localization

Accent - Open-source, self-hosted, developer-oriented translation tool. (Source Code) BSD-3-Clause Elixir
Localizer - Free self-hosted open-source crowd-translating service for your product. (Demo, Source Code) MIT Nodejs/Docker
Pootle - Online translation and localization tool. (Source Code) GPL-3.0 Python
Traduora - Translation management platform for teams. (Source Code) AGPL-3.0 Docker/Nodejs
Weblate - Web-based translation tool with tight version control integration. (Demo, Source Code) GPL-3.0 Python
Zanata - Web-based translation platform for translators, content creators and developers to manage localisation projects. (Source Code) GPL-2.0 Java

Static site generators

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See https://staticsitegenerators.net and https://www.staticgen.com

Task management/To-do lists

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See also Project Management and Ticketing.

Focalboard - An open source, self-hosted alternative to Trello, Notion, and Asana. It helps define, organize, track and manage work across individuals and teams. (Source Code, Clients) MIT/AGPL-3.0/Apache-2.0 Nodejs/Go
Kanbana - Create boards to track users and projects from flat markdown files. Forked from Crepido. MIT Nodejs
Kanboard - Simple and open source visual task board. (Source Code) MIT PHP
myTinyTodo - Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant. (Demo, Source Code) GPL-2.0 PHP
Nullboard - Single-page minimalist kanban board; compact, highly readable and quick to use. BSD-2-Clause Javascript
PHP Task/Todo list - Simple task/todo list that uses a JSON text file for the tasks. MIT PHP
Planka - Open source Trello alternative. (Demo, Source Code) MIT Nodejs
Restyaboard - Open source Trello-like kanban board. (Demo, Source Code) OSL-3.0 PHP
Task Keeper - List editor for power users, backed by a self-hosted server. Apache-2.0 Scala
TaskBoard - Kanban-inspired app for keeping track of things that need to get done. (Demo, Source Code) MIT PHP
Taskfreak - Simple but efficient web based task manager written in PHP. GPL-3.0 PHP
Tasks - Simple tasks and notes manager written in PHP, jQuery and Bootstrap using a custom flat file database. MPL-2.0 PHP
Tasks - Kanban based to-do list manager written in Go. MIT Go
Taskord - Get things done socially with community of makers. (Source Code) MIT PHP
Taskwarrior - Taskwarrior is Free and Open Source Software that manages your TODO list from your command line. It is flexible, fast, efficient, and unobtrusive. It does its job then gets out of your way. (Source Code) MIT C++
Tinyissue - Simple Issue Tracking for Teams. MIT PHP
todo - Simple todo list manager. (Demo) MIT Go
todoMini - Mobile friendly zero-feature TODO list web app. Unix philosophy. (Demo, Source Code) GPL-3.0 PHP/Java
Tracks - Web-based application to help you implement David Allen’s Getting Things Done™ methodology. (Source Code) GPL-2.0 Ruby
Vikunja - The to-do app to organize your life. (Demo, Source Code) GPL-3.0 Go
Wekan - Open-source Trello-like kanban. (Source Code) MIT Nodejs

Ticketing

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Bugzilla - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. MPL-2.0 Perl
Bumpy Booby - Simple, responsive and highly customizable PHP bug tracking system. (Source Code) MIT PHP
DiamanteDesk - DiamanteDesk is FREE Open Source easy-to-use help-desk solution. (Demo, Source Code) OSL-3.0 PHP
django-todo - django-todo is a pluggable, multi-user, multi-group, multi-list todo and ticketing system - a reusable app designed to be dropped into any existing Django project. (Source Code) BSD-3-Clause Python/Django
Erxes - Marketing, sales, and customer service platform designed to help businesses attract more engaged customers. (Demo, Source Code) GPL-3.0 Javascript
Flyspray - Uncomplicated, web-based bug tracking system. (Source Code) GPL-2.0 PHP
FreeScout - Open source clone of Help Scout: email-based customer support application, help desk and shared mailbox. AGPL-3.0 PHP
Helpy - Helpy is a modern, open source helpdesk customer support application. Features include knowledgebase, community discussions and support tickets integrated with email. (Demo, Source Code) MIT Ruby
HuBoard ⚠ - Instant project management for your GitHub issues (Connects directly GitHub API). MIT Ruby
MantisBT - Self hosted bug tracker, fits best for software development. (Demo, Source Code) GPL-2.0 PHP
OpenSupports - Multi language ticket system with FAQ, role management, metrics and canned response features. (Demo, Source Code) GPL-3.0 PHP
osTicket - Manage, organize and archive all your support requests and responses in one place. (Source Code) GPL-2.0 PHP
OTRS - Trouble ticket system for assigning tickets to incoming queries and tracking further communications. (Source Code) AGPL-3.0 Perl
Request Tracker - An enterprise-grade issue tracking system. (Source Code) GPL-2.0 Perl
Sentry On-Premise - A powerful error tracking platform with wide language support and a robust API. (Source Code) BSD-3-Clause Python/Django
SIT - SCM-agnostic, file-based, offline-first, immutable issue tracker. (Source Code) MIT Apache-2.0 Rust
TheBugGenie - friendly project management and issue tracking tool, with extensive user rights system. (Source Code) MPL-2.0 PHP
Zammad - Easy to use but powerful open-source support and ticketing system. (Source Code) AGPL-3.0 Ruby

URL Shorteners

Before hosting one, please see shortcomings of URL shorteners.

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gShort - Privacy-friendly self-hosted URL shortener. (Demo) GPL-3.0 Go
Kutt - A modern URL shortener with support for custom domains. (Source Code) MIT Nodejs
Link-shortener-bot ⚠ - URL shortener using a Telegram Bot. (Demo) MIT Ruby
liteshort - User-friendly, actually lightweight, and configurable URL shortener. (Demo) MIT Python
Lstu - Let's SHorten That Url - Lightweight URL shortener. WTFPL Perl
Polr - Modern, minimalist, modular, and lightweight URL shortener. (Source Code) GPL-2.0 PHP
reduc.io - URL shortener service written in Scala, using Akka-Http and Redis. MIT Scala
ReducePy - URL shortener service using Tornado and Redis runs on Docker and Kubernetes. MIT Python
schort - No login, no javascript, just short links. (Demo) CC0-1.0 Python
Shlink - URL shortener with REST API and command line interface. Includes official progressive web application and docker images. (Source Code, Clients) MIT PHP
shorturl - Simple URL shortener with very tiny URLs. (Demo) MIT Go
Simple-URL-Shortener - KISS URL shortener, public or private (with account). Minimalist and lightweight. No dependencies. (Demo) MIT PHP
Simply Shorten - A simple URL shortener that just shortens links. MIT Java
url-shortener ⚠ - Shitty url shortener, emoji and AI powered. MIT Nodejs
URL-Shortener - Make your long links short and only uses lowercase, so you can write and spell them faster. (Demo) GPL-3.0 PHP
YOURLS - YOURLS is a set of PHP scripts that will allow you to run Your Own URL Shortener. Features include password protection, URL customization, bookmarklets, statistics, API, plugins, jsonp. (Source Code) MIT PHP

VPN

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See https://github.com/n1trux/awesome-sysadmin#vpn

Web servers

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See https://github.com/n1trux/awesome-sysadmin#web

Wikis

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BookStack - BookStack is a simple, self-hosted, easy-to-use platform for organizing and storing information. It allows for documentation to be stored in a book like fashion. (Demo, Source Code) MIT PHP
Cowyo - Cowyo is a feature-rich wiki for minimalists. (Demo) MIT Go
django-wiki - Wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models. (Demo) GPL-3.0 Python
Documize - Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona. (Source Code) AGPL-3.0 Go
Dokuwiki - Easy to use, lightweight, standards-compliant wiki engine with a simple syntax allowing reading the data outside the wiki. All data is stored in plain files, therefore no database is required. (Source Code) GPL-2.0 PHP
Gitit - Wiki program that stores pages and uploaded files in a git repository, which can then be modified using the VCS command line tools or the wiki's web interface. GPL-2.0 Haskell
Gollum - Simple, Git-powered wiki with a sweet API and local frontend. MIT Ruby
jingo - Git based wiki engine written for node.js, with a decent design, a search capability and good typography. MIT Nodejs
Mediawiki - MediaWiki is a free and open-source wiki software package written in PHP. It serves as the platform for Wikipedia and the other Wikimedia projects, used by hundreds of millions of people each month. (Demo, Source Code) GPL-2.0 PHP
MoinMoin - Advanced, easy to use and extensible WikiEngine with a large community of users. (Source Code) GPL-2.0 Python
Outline ⚠ - An open, extensible, wiki for your team built using React and Node.js. (Source Code) BSD-3-Clause Nodejs
Pepperminty Wiki - Complete markdown-powered wiki contained in a single PHP file. (Demo) MPL-2.0 PHP
PineDocs - Simple, fast, customizable and lightweight site for browsing files. GPL-3.0 PHP
PmWiki - Wiki-based system for collaborative creation and maintenance of websites. GPL-3.0 PHP
Raneto - Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase. MIT Nodejs
TiddlyWiki - Reusable non-linear personal web notebook. (Source Code) BSD-3-Clause Nodejs
Tiki - Wiki CMS Groupware with the most built-in features. (Demo, Source Code) LGPL-2.1 PHP
TWiki - TWiki is a Perl-based structured wiki application, typically used to run a collaboration platform, knowledge or document management system, a knowledge base, or team portal. (Demo, Source Code) GPL-1.0 Perl
wiki - Simple Markdown based wiki engine. (Demo) MIT Go
Wiki.js - Modern, lightweight and powerful wiki app built on NodeJS, Git and Markdown. (Demo) AGPL-3.0 Nodejs
WiKiss - Wiki, simple to use and install. (Source Code) GPL-2.0 PHP
XWiki - Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture. (Demo, Source Code) LGPL-2.1 Java
Zim - Graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images. (Source Code) GPL-2.0 Python

Self-hosting Solutions

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1Backend - Self-host web apps, microservices and lambdas on your server. Advanced features enable service reuse and composition. AGPL-3.0 Go
Ansible-NAS - Build a full-featured home server with this playbook and an Ubuntu box. MIT YAML/Docker
Bitsii Bridge ⚠ - Easy to install self-hosting platform for Windows, MacOS, and Linux. Depends on a dynamic DNS provider and Let's Encrypt. (Source Code) MPL-2.0 Java/Other
CharjaBox - Highly configurable Ansible based Homeserver setup using Docker. GPL-3.0 YAML/Ansible/Docker
DietPi - Minimal Debian OS optimized for single-board computers, which allows you to easily install and manage several services for selfhosting at home. (Source Code) GPL-2.0 Shell
DockSTARTer - DockSTARTer helps you get started with home server apps running in Docker. (Source Code) MIT Shell
DPlatform - Deploy self-hosted apps easily: simple, bloat-free, independent installation. (Source Code) MIT Shell
FLAP - Low maintenance framework to manage self-hosted services. (Source Code) AGPL-3.0 Docker/Shell
FreedomBone - Home server configuration based on Debian. (Source Code) AGPL-3.0 Shell
FreedomBox - Community project to develop, design and promote personal servers running free software for private, personal, communications. (Source Code) AGPL-3.0 Python/Other
HomelabOS - Your very own offline-first privacy-centric open-source data-center. Deploy over 100 services with a few commands. (Source Code) MIT Docker
NextCloudPi - Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian. (Source Code) GPL-2.0-or-later Bash/PHP
OpenMediaVault - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. (Source Code) GPL-3.0 PHP
Sandstorm - Personal server for running self-hosted apps easily and securely. (Demo, Source Code) Apache-2.0 C++/Other
sovereign - Set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more. GPL-3.0 YAML/Other
Syncloud - Your own online file storage, social network or email server. (Source Code) GPL-3.0 Python/Other
UBOS - Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features. GPL-3.0 Perl/Other
WikiSuite - The most comprehensive and integrated Free / Libre / Open Source enterprise software suite. (Source Code) Multiple ClearOS
xsrv - Install and manage self-hosted services/applications, on your own server(s). (Source Code) GPL-3.0 Shell/Ansible
YunoHost - Server operating system aiming to make self-hosting accessible to everyone. (Demo, Source Code) AGPL-3.0 Python/Other

List of Licenses

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⚠ - Depends on a proprietary service outside the user's control
0BSD - BSD Zero-Clause Licence
AAL - Attribution Assurance License
AGPL-3.0 - GNU Affero General Public License 3.0
AGPL-3.0-only - GNU Affero General Public License 3.0 only
Apache-2.0 - Apache, Version 2.0
APSL-2.0 - Apple Public Source License, Version 2.0
Artistic-2.0 - Artistic License Version 2.0
Beerware - Beerware License
BSD-2-Clause - BSD 2-clause "Simplified"
BSD-2-Clause-FreeBSD - BSD 2-Clause FreeBSD License
BSD-3-Clause - BSD 3-Clause "New" or "Revised"
BSD-3-Clause-Attribution - BSD with attribution
CC-BY-NC-SA-3.0 - Creative Commons Attribution-NonCommercial-ShareAlike 3.0 International License
CC-BY-SA-3.0 - Creative Commons Attribution-ShareAlike 3.0 International License
CC-BY-SA-4.0 - Creative Commons Attribution-ShareAlike 4.0 International License
CC0-1.0 - Public Domain
CDDL-1.0 - Common Development and Distribution License
CECILL-B - CEA CNRS INRIA Logiciel Libre
CPAL-1.0 - Common Public Attribution License Version 1.0
DPL - Devblocks Public License 1.0
ECL-2.0 - Educational Community License, Version 2.0
EPL-1.0 - Eclipse Public License, Version 1.0
EPL-2.0 - Eclipse Public License, Version 2.0
EUPL-1.2 - European Union Public License 1.2
GFDL-1.1-only - GNU Free Documentation License v1.1
GFDL-1.1-or-later - GNU Free Documentation License v1.1
GFDL-1.2-only - GNU Free Documentation License v1.2
GFDL-1.2-or-later - GNU Free Documentation License v1.2
GFDL-1.3-only - GNU Free Documentation License v1.3
GFDL-1.3-or-later - GNU Free Documentation License v1.3
GPL-1.0 - GNU General Public License
GPL-2.0 - GNU General Public License 2.0
GPL-2.0-or-later - GNU General Public License v2.0 or later
GPL-3.0-only - GNU General Public License v3.0 only
GPL-3.0-or-later - GNU General Public License v3.0 or later
GPL-3.0 - GNU General Public License 3.0
IPL-1.0 - IBM Public License
ISC - Internet Systems Consortium License
LGPL-2.1 - Lesser General Public License 2.1
LGPL-3.0 - Lesser General Public License 3.0
MIT - MIT License
MPL-1.1 - Mozilla Public License Version 1.1
MPL-2.0 - Mozilla Public License
Multiple - Various different licenses, for different components of the project's software.
OSL-3.0 - Open Software License 3.0
Other - Non-standard license, usually unique to the project itself.
Sendmail - Sendmail License
SSPL-1.0 - Server Side Public License
Unlicense - The Unlicense
WTFPL - Do What the Fuck You Want to Public License
Zlib - Zlib/libpng License
ZPL-1.2 - Zope Public License 1.2
ZPL-2.0 - Zope Public License 2.0

External links

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Awesome Big Data - Curated list of awesome big data frameworks, resources and other awesomeness.
Awesome Public Datasets - List of high quality, topic-centric public data sources.
Awesome Sysadmin - Curated list of amazingly awesome open source sysadmin resources.
Lists of software aimed at privacy and decentralization in some form: PRISM Break, privacytools.io, Alternative Internet, Libre Projects
Dynamic Domain Name services: Afraid.org, Pagekite
Communities/forums: /r/selfhosted, IndieWeb
Mirrors: GitHub.com, Gitlab.com

Contributing

Contributing guidelines can be found in .github/CONTRIBUTING.md.

Authors

The list of authors can be found in AUTHORS.md.

License

This list is under the Creative Commons Attribution-ShareAlike 3.0 Unported License.

README.md Unescape Escape

Awesome-Selfhosted

Analytics

Archiving and Digital Preservation (DP)

Automation

Blogging Platforms

Bookmarks and Link Sharing

Calendaring and Contacts Management

CalDAV or CardDAV servers

CalDAV or CardDAV web-based clients

Communication systems

Custom communication systems

Email

Complete solutions

Mail Transfer Agents

Mail Delivery Agents

Mailing lists and Newsletters

Webmail clients

IRC

SIP

Social Networks and Forums

XMPP

XMPP Servers

XMPP Web Clients

Conference Management

Content Management Systems (CMS)

Recipe management

E-commerce

DNS

Document Management

E-books and Integrated Library Systems (ILS)

Personal e-book management software.

Enterprise-class library management software.

Institutional repository and digital library software.

Federated Identity/Authentication

Feed Readers

File Sharing and Synchronization

Distributed filesystems

File transfer/synchronization

Peer-to-peer filesharing

Object storage/file servers

Single-click/drag-n-drop upload

Command-line file upload

Web based file managers

Games

Gateways and terminal sharing

Genealogy

Groupware

Human Resources Management (HRM)

Internet Of Things (IoT)

Knowledge Management Tools

Learning and Courses

Maps and Global Positioning System (GPS)

Media Streaming

Multimedia Streaming

Audio Streaming

Video Streaming

Misc/Other

Money, Budgeting and Management

Monitoring

Note-taking and Editors

Office Suites

Password Managers

Pastebins

Personal Dashboards

Photo and Video Galleries

Polls and Events

Booking and Scheduling

Proxy

Read it Later Lists

Resource Planning

Enterprise Resource Planning

Search Engines

Software Development

Project Management

Bug Trackers

IDE/Tools

Continuous Integration

UX testing

FaaS/Serverless

README.md