* [denoland/deno](https://github.com/denoland/deno) — A secure JavaScript/TypeScript runtime built with V8, Rust, and Tokio [](https://github.com/denoland/deno/actions)
* [Factotum](https://github.com/snowplow/factotum) — [A system to programmatically run data pipelines](https://snowplowanalytics.com/blog/2016/04/09/introducing-factotum-data-pipeline-runner/) [](https://travis-ci.org/snowplow/factotum)
* [fcsonline/drill](https://github.com/fcsonline/drill) — A HTTP load testing application inspired by Ansible syntax [](https://travis-ci.org/fcsonline/drill)
* [mdBook](https://crates.io/crates/mdbook) — A command line utility to create books from markdown files [](https://github.com/rust-lang/mdBook/actions)
* [nicohman/eidolon](https://github.com/nicohman/eidolon) — A steam and drm-free game registry and launcher for linux and macosx [](https://travis-ci.org/nicohman/eidolon)
* [wasmer](https://github.com/wasmerio/wasmer) — A safe and fast WebAssembly runtime supporting WASI and Emscripten [](https://github.com/wasmerio/wasmer/actions)
* [Weld](https://github.com/serayuzgur/weld) — Full fake REST API generator [](https://travis-ci.org/serayuzgur/weld)
* [enginesound](https://github.com/DasEtwas/enginesound) — A GUI and command line application used to procedurally generate semi-realistic engine sounds. Featuring in-depth configuration, variable sample rate and a frequency analysis window.
* [ncspot](https://github.com/hrkfdn/ncspot) - Cross-platform ncurses Spotify client, inspired by ncmpc and the likes. [](https://github.com/hrkfdn/ncspot/actions?query=workflow%3ABuild)
* [Polaris](https://github.com/agersant/polaris) — A music streaming application. [](https://travis-ci.org/agersant/polaris)
* [Spotify TUI](https://github.com/Rigellute/spotify-tui) — A Spotify client for the terminal written in Rust. 
* [Spotifyd](https://github.com/Spotifyd/spotifyd) — An open source Spotify client running as a UNIX daemon. 
* [Bitcoin Satoshi's Vision](https://github.com/brentongunning/rust-sv) [[sv](https://crates.io/crates/sv)] — A Rust library for working with Bitcoin SV .
* [Diem](https://github.com/diem/diem) — Diem’s mission is to enable a simple global currency and financial infrastructure that empowers billions of people.
* [ethers-rs](https://github.com/gakonst/ethers-rs) - Complete Ethereum & Celo library and wallet implementation in Rust. 
* [etk](https://github.com/quilt/etk) - etk is a collection of tools for writing, reading, and analyzing EVM bytecode.
* [Foundry](https://github.com/foundry-rs/foundry) - Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust. 
* [Holochain](https://github.com/holochain/holochain) — Scalable P2P alternative to blockchain for all those distributed apps you always wanted to build. [](https://github.com/holochain/holochain/actions/workflows/check_run_detect_release_pr_failure.yml)
* [Joystream](https://github.com/Joystream/joystream) — A user governed video platform [](https://travis-ci.org/Joystream/joystream)
* [Phala-Network/phala-blockchain](https://github.com/Phala-Network/phala-blockchain) — Confidential smart contract blockchain based on Intel SGX and Substrate
* [rust-bitcoin](https://github.com/rust-bitcoin/rust-bitcoin) — Library with support for de/serialization, parsing and executing on data structures and network messages related to Bitcoin.
* [rust-lightning](https://github.com/lightningdevkit/rust-lightning) [](https://crates.io/crates/lightning) — Bitcoin Lightning library written in Rust. The main crate,`lightning`, does not handle networking, persistence, or any other I/O. Thus,it is runtime-agnostic, but users must implement basic networking logic, chain interactions, and disk storage.po on linking crate.
* [Databend](https://github.com/datafuselabs/databend) - A Modern Real-Time Data Processing & Analytics DBMS with Cloud-Native Architecture [](https://github.com/datafuselabs/databend/actions/workflows/databend-release.yml)
* [Lucid](https://github.com/lucid-kv/lucid) — High performance and distributed KV store accessible through a HTTP API. [](https://github.com/lucid-kv/lucid/actions?workflow=Lucid)
* [Qdrant](https://github.com/qdrant/qdrant) - An open source vector similarity search engine with extended filtering support [](https://github.com/qdrant/qdrant/actions)
* [seppo0010/rsedis](https://github.com/seppo0010/rsedis) — A Redis reimplementation in Rust [](https://travis-ci.org/seppo0010/rsedis)
* [Singularity-Data/RisingWave](https://github.com/singularity-data/risingwave) - the next-generation streaming database in the cloud [](https://github.com/singularity-data/risingwave/actions/workflows/main.yml/badge.svg?branch=main)
* [sled](https://crates.io/crates/sled) — A (beta) modern embedded database [](https://github.com/spacejam/sled/actions?workflow=Rust)
* [TerminusDB](https://github.com/terminusdb/terminusdb-store) - open source graph database and document store [](https://github.com/terminusdb/terminusdb-store/actions)
* [vorot93/libmdbx-rs](https://github.com/vorot93/libmdbx-rs) [[mdbx-sys](https://crates.io/crates/mdbx-sys)] — Rust bindings for MDBX, a "fast, compact, powerful, embedded, transactional key-value database, with permissive license". This is a fork of mozilla/lmdb-rs with patches to make it work with libmdbx.
* [Ruffle](https://github.com/ruffle-rs/ruffle) — Ruffle is an Adobe Flash Player emulator written in the Rust programming language. Ruffle targets both the desktop and the web using WebAssembly. [](https://app.circleci.com/pipelines/github/ruffle-rs/ruffle)
* [michelhe/rustboyadvance-ng](https://github.com/michelhe/rustboyadvance-ng) - RustboyAdvance-ng is a Gameboy Advance emulator with desktop, android and [WebAssembly](https://michelhe.github.io/rustboyadvance-ng/) support. [](https://github.com/michelhe/rustboyadvance-ng/actions?query=workflow%3ADeploy)
* [cristicbz/rust-doom](https://github.com/cristicbz/rust-doom) — A renderer for Doom, may progress to being a playable game [](https://travis-ci.org/cristicbz/rust-doom)
* [garkimasera/rusted-ruins](https://github.com/garkimasera/rusted-ruins) — Extensible open world rogue like game with pixel art [](https://travis-ci.org/garkimasera/rusted-ruins)
* [gorilla-devs/ferium](https://github.com/gorilla-devs/ferium) — Ferium is a fast and feature rich CLI program for downloading and updating Minecraft mods from Modrinth, CurseForge, and GitHub Releases, and modpacks from Modrinth and CurseForge 
* [lifthrasiir/angolmois-rust](https://github.com/lifthrasiir/angolmois-rust) — A minimalistic music video game which supports the BMS format [](https://travis-ci.org/lifthrasiir/angolmois-rust)
* [ozkriff/zemeroth](https://github.com/ozkriff/zemeroth) — A small 2D turn-based hexagonal strategy game [](https://travis-ci.org/ozkriff/zemeroth)
* [thetawavegame/thetawave-legacy](https://github.com/thetawavegame/thetawave-legacy) - A space shooter game that strives to be an entry point for new game developers to make their first contributions. 
* [Veloren](https://gitlab.com/veloren/veloren) — An open world, open source multiplayer voxel RPG game currently in alpha development [](https://gitlab.com/veloren/veloren/-/pipelines)
* [Zone of Control](https://github.com/ozkriff/zoc) — A turn-based hexagonal strategy game [](https://travis-ci.org/ozkriff/zoc)
* [Limeth/euclider](https://github.com/Limeth/euclider) — A real-time 4D CPU ray tracer [](https://travis-ci.org/Limeth/euclider)
* [RazrFalcon/resvg](https://github.com/RazrFalcon/resvg) — An SVG rendering library. [](https://travis-ci.org/RazrFalcon/resvg)
* [turnage/valora](https://crates.io/crates/valora) — A library for generative fine art 
* [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rust) — A ray tracer [](https://travis-ci.org/Twinklebear/tray_rust)
* [OpenTelemetry](https://crates.io/crates/opentelemetry) — OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. You can analyze them using Prometheus, Jaeger, and other observability tools. [](https://github.com/open-telemetry/opentelemetry-rust/actions?query=workflow%3ACI+branch%3Amaster)
* [Scaphandre](https://github.com/hubblo-org/scaphandre) - A power consumption monitoring agent, to track host and each service power consumption and enable designing systems and applications for more sustainability. Designed to fit any monitoring toolchain (already supports prometheus, warp10, riemann...).
* [theseus-os/Theseus](https://github.com/theseus-os/Theseus) — A safe-language, single address space and single privilege level OS written from scratch in pure Rust - [](https://www.theseus-os.com/Theseus/book/index.html)
* [Bartib](https://github.com/nikolassv/bartib) [[Bartib](https://crates.io/crates/bartib)] - A simple timetracker for the command line [](https://github.com/nikolassv/bartib/actions/workflows/test.yml)
* [espanso](https://github.com/espanso/espanso) — A cross-platform Text Expander written in Rust[](https://github.com/espanso/espanso/actions/workflows/ci.yml)
* [pier-cli/pier](https://github.com/pier-cli/pier) — A central repository to manage (add, search metadata, etc.) all your one-liners, scripts, tools, and CLIs
* [Cherrybomb](https://github.com/blst-security/cherrybomb) - Stop half-done API specifications with a CLI tool that helps you avoid undefined user behaviour by validating your API specifications.
* [ripasso](https://github.com/cortex/ripasso/) — A password manager, filesystem compatible with pass
* [rustscan/rustscan](https://github.com/RustScan/RustScan) — Make Nmap faster with this port scanning tool [](https://github.com/RustScan/RustScan/actions?query=workflow%3A%22Continuous+integration%22)
* [hEngine](https://github.com/hashintel/hash/tree/main/packages/engine) - A Rust-implemented computational simulation engine, supporting large-scale agent-based modelling, with simulation logic written in JavaScript and Python.
* [ajeetdsouza/zoxide](https://github.com/ajeetdsouza/zoxide/) — A fast alternative to `cd` that learns your habits [](https://github.com/ajeetdsouza/zoxide/actions)
* [Alonely0/Voila](https://github.com/Alonely0/Voila) — Voila is a domain-specific language launched through CLI tool for operating with files and directories in massive amounts in a fast & reliable way. [](https://github.com/Alonely0/Voila/actions/workflows/linux-ci.yml) [](https://github.com/Alonely0/Voila/actions/workflows/mac-ci.yml) [](https://github.com/Alonely0/Voila/actions/workflows/windows-ci.yml)
* [bustd](https://github.com/vrmiguel/bustd) - Lightweight process killer daemon to handle out-of-memory scenarios on Linux. [](https://github.com/vrmiguel/bustd/actions?query=branch%3Amaster)
* [buster/rrun](https://github.com/buster/rrun) — A command launcher for Linux, similar to gmrun [](https://travis-ci.org/buster/rrun)
* [cantino/mcfly](https://github.com/cantino/mcfly) - Fly through your shell history. Great Scott! [](https://travis-ci.org/cantino/mcfly)
* [dalance/procs](https://github.com/dalance/procs) — A modern replacement for 'ps' written by Rust [](https://github.com/dalance/procs/actions/workflows/regression.yml)
* [ddh](https://github.com/darakian/ddh) — Fast duplicate file finder [](https://travis-ci.org/darakian/ddh)
* [diskonaut](https://github.com/imsnif/diskonaut) — Terminal visual disk space navigator [](https://app.travis-ci.com/github/imsnif/diskonaut)
* [gitui](https://github.com/extrawurst/gitui) - Blazing fast terminal client for git written in Rust. [](https://github.com/extrawurst/gitui/actions)
* [lotabout/rargs](https://github.com/lotabout/rargs) [[rargs](https://crates.io/crates/rargs)] — xargs + awk with pattern matching support [](https://travis-ci.org/lotabout/rargs)
* [lotabout/skim](https://github.com/lotabout/skim) — A fuzzy finder in pure rust [](https://travis-ci.org/lotabout/skim)
* [Luminarys/synapse](https://github.com/Luminarys/synapse) — Flexible and fast BitTorrent daemon. [](https://travis-ci.org/Luminarys/synapse)
* [m4b/bingrep](https://github.com/m4b/bingrep) — Greps through binaries from various OSs and architectures, and colors them. [](https://travis-ci.org/m4b/bingrep)
* [mmstick/tv-renamer](https://github.com/mmstick/tv-renamer) — A tv series renaming application with an optional GTK3 frontend. [](https://travis-ci.org/mmstick/tv-renamer)
* [nickgerace/gfold](https://github.com/nickgerace/gfold) [[gfold](https://crates.io/crates/gfold)] - CLI tool to help keep track of multiple Git repositories [](https://github.com/nickgerace/gfold/actions?query=workflow%3Amerge+branch%3Amain)
* [nivekuil/rip](https://github.com/nivekuil/rip) - A safe and ergonomic alternative to `rm` [](https://travis-ci.org/nivekuil/rip)
* [ogham/exa](https://github.com/ogham/exa) — A replacement for 'ls' [](https://travis-ci.org/ogham/exa)
* [orhun/kmon](https://github.com/orhun/kmon) — Linux Kernel Manager and Activity Monitor 
* [orhun/systeroid](https://github.com/orhun/systeroid) — A more powerful alternative to sysctl(8) with a terminal user interface 
* [ouch](https://github.com/ouch-org/ouch) - Painless compression and decompression on the command-line [](https://github.com/ouch-org/ouch/actions?query=branch%3Amaster)
* [Peltoche/lsd](https://github.com/Peltoche/lsd) — An ls with a lot of pretty colors and awesome icons [](https://github.com/Peltoche/lsd/actions)
* [sharkdp/bat](https://github.com/sharkdp/bat) — A cat(1) clone with wings. [](https://github.com/sharkdp/bat/actions/workflows/CICD.yml)
* [sharkdp/fd](https://github.com/sharkdp/fd) — A simple, fast and user-friendly alternative to find. [](https://github.com/sharkdp/fd/actions/workflows/CICD.yml)
* [uutils/coreutils](https://github.com/uutils/coreutils) — A cross-platform Rust rewrite of the GNU coreutils [[](https://github.com/uutils/coreutils/actions/workflows/CICD.yml)
* [watchexec](https://github.com/watchexec/watchexec) — Executes commands in response to file modifications [](https://travis-ci.org/watchexec/watchexec)
* [XAMPPRocky/tokei](https://github.com/XAMPPRocky/tokei) — counts the lines of code [](https://travis-ci.org/XAMPPRocky/tokei)
* [delicate](https://github.com/BinChengZhao/delicate) — A lightweight and distributed task scheduling platform written in rust. [](https://github.com/BinChengZhao/delicate/actions)
* [amp](https://amp.rs) — Inspired by Vi/Vim. [](https://travis-ci.org/jmacdonald/amp)
* [gchp/iota](https://github.com/gchp/iota) — A simple text editor [](https://travis-ci.org/gchp/iota)
* [helix](https://github.com/helix-editor/helix) — A post-modern modal text editor inspired by Neovim/Kakoune. [](https://github.com/helix-editor/helix/actions)
* [ilai-deutel/kibi](https://github.com/ilai-deutel/kibi) — A tiny (≤1024 LOC) text editor with syntax highlighting, incremental search and more. [](https://github.com/ilai-deutel/kibi/actions?query=branch%3Amaster)
* [lapce](https://github.com/lapce/lapce) — Lightning-fast and Powerful Code Editor written in Rust. [](https://github.com/lapce/lapce/actions/workflows/release.yml)
* [Remacs](https://github.com/remacs/remacs) — A community-driven port of Emacs to Rust. [](https://travis-ci.org/remacs/remacs)
* [vamolessa/pepper](https://github.com/vamolessa/pepper) [[pepper](https://crates.io/crates/pepper)] — An opinionated modal editor to simplify code editing from the terminal [](https://github.com/vamolessa/pepper)
* [grex](https://github.com/pemistahl/grex) — A command-line tool and library for generating regular expressions from user-provided test cases [](https://travis-ci.org/pemistahl/grex)
* [Melody](https://github.com/yoav-lavi/melody) - A language that compiles to regular expressions and aims to be more easily readable and maintainable [](https://github.com/yoav-lavi/melody/actions/workflows/rust.yml) [](https://crates.io/crates/melody_compiler)
* [phiresky/ripgrep-all](https://github.com/phiresky/ripgrep-all) — ripgrep, but also search in PDFs, E-Books, Office documents, zip, tar.gz, etc. [](https://travis-ci.org/phiresky/ripgrep-all)
* [replicadse/complate](https://github.com/replicadse/complate) — An in-terminal text templating tool designed for standardizing messages (like for GIT commits). [](https://crates.io/crates/complate) [](https://crates.io/crates/complate) [](https://github.com/replicadse/complate/actions)
* [ripgrep](https://crates.io/crates/ripgrep) — combines the usability of The Silver Searcher with the raw speed of grep [](https://travis-ci.org/BurntSushi/ripgrep)
* [ruplacer](https://github.com/your-tools/ruplacer) — Find and replace text in source files [](https://github.com/your-tools/ruplacer/actions/workflows/test.yml)
* [sstadick/hck](https://github.com/sstadick/hck) - A faster and more featureful drop in replacement for `cut` [](https://github.com/sstadick/hck)
* [whitfin/bytelines](https://github.com/whitfin/bytelines) [[bytelines](https://crates.io/crates/bytelines)] — Read input lines as byte slices for high efficiency.
* [1History](https://github.com/1History/1History) — Command line interface to backup Firefox/Chrome/Safari history to one SQLite file [](https://github.com/1History/1History/actions/workflows/CI.yml)
* [brycx/checkpwn](https://github.com/brycx/checkpwn) — A Have I Been Pwned (HIBP) command-line utility tool that lets you easily check for compromised accounts and passwords.
* [fcsonline/tmux-thumbs](https://github.com/fcsonline/tmux-thumbs) — A lightning fast version of tmux-fingers written in Rust, copy/pasting tmux like vimium/vimperator.
* [guoxbin/dtool](https://github.com/guoxbin/dtool) — A useful command-line tool collection to assist development including conversion, codec, hashing, encryption, etc. [](https://travis-ci.org/guoxbin/dtool)
* [vaultwarden](https://github.com/dani-garcia/vaultwarden#readme) [](https://github.com/dani-garcia/vaultwarden/actions/workflows/build.yml) — Alternative implementation of the Bitwarden server API written in Rust
* [harlanc/xiu](https://github.com/harlanc/xiu) — A powerful and secure live server by pure rust (rtmp/httpflv/hls/relay). [](https://app.travis-ci.com/github/harlanc/xiu) [](https://crates.io/crates/xiu)
* [containers/youki](https://github.com/containers/youki) — A container runtime in Rust [](https://github.com/containers/youki/actions)
* [tailhook/vagga](https://github.com/tailhook/vagga) — A containerization tool without daemons [](https://travis-ci.org/tailhook/vagga)
* [cfal/tobaru](https://github.com/cfal/tobaru) - Port forwarder with allowlists, IP and TLS SNI/ALPN rule-based routing, iptables support, round-robin forwarding (load balancing), and hot reloading.
* [LemmyNet/lemmy](https://github.com/LemmyNet/lemmy) — A link aggregator / reddit clone for the fediverse [](https://cloud.drone.io/LemmyNet/lemmy)
* [MASQ-Project/Node](https://github.com/MASQ-Project/Node) — MASQ Node software provides a decentralized mesh-network of nodes for global users to access normal internet content - next evolution of tech beyond Tor & VPN [](https://github.com/MASQ-Project/Node/actions)
* [joseluisq/static-web-server](https://github.com/joseluisq/static-web-server) — A blazing fast and asynchronous web server for static files-serving. ⚡ [](https://github.com/joseluisq/static-web-server/actions/workflows/devel.yml?query=branch%3Amaster)
* [mufeedvh/binserve](https://github.com/mufeedvh/binserve) — A blazingly fast static web server with routing, templating, and security in a single binary you can set up with zero code [](https://github.com/mufeedvh/binserve/actions)
* [orhun/rustypaste](https://github.com/orhun/rustypaste) — A minimal file upload/pastebin service 
* [ronanyeah/rust-hasura](https://github.com/ronanyeah/rust-hasura) — A demonstration of how a Rust GraphQL server can be used as a remote schema with [Hasura](https://hasura.io/) 
* [svenstaro/miniserve](https://github.com/svenstaro/miniserve) — A small, self-contained cross-platform CLI tool that allows you to just grab the binary and serve some file(s) via HTTP [](https://github.com/svenstaro/miniserve/actions)
* [thecoshman/http](https://github.com/thecoshman/http) — Host These Things Please — A basic http server for hosting a folder fast and simply [](https://travis-ci.org/thecoshman/http)
* [create-rust-app](https://github.com/Wulf/create-rust-app) — Set up a modern rust+react web app by running one command. [](https://crates.io/crates/create-rust-app)
* [dan-t/rusty-tags](https://github.com/dan-t/rusty-tags) — create ctags/etags for a cargo project and all of its dependencies [](https://travis-ci.org/dan-t/rusty-tags)
* [delta](https://crates.io/crates/git-delta) — A syntax-highlighter for git and diff output[](https://github.com/dandavison/delta//actions)
* [geiger](https://github.com/rust-secure-code/cargo-geiger) — A program that list statistics related to usage of unsafe Rust code in a Rust crate and all its dependencies [](https://dev.azure.com/cargo-geiger/cargo-geiger/_build/latest?definitionId=1&branchName=master)
* [mask](https://github.com/jacobdeichert/mask) — A CLI task runner defined by a simple markdown file [](https://github.com/jacobdeichert/mask/actions?query=workflow%3ACI)
* [Module Linker](https://github.com/fiatjaf/module-linker) — Extension that adds `<a>` links to references in `mod`, `use` and `extern crate` statements at GitHub.
* [Rust Search Extension](https://github.com/huhu/rust-search-extension) — A handy browser extension to search crates and docs in address bar (omnibox). [](https://github.com/huhu/rust-search-extension/actions)
* [scriptisto](https://github.com/igor-petruk/scriptisto) A language-agnostic "shebang interpreter" that enables you to write one file scripts in compiled languages. [](https://cloud.drone.io/igor-petruk/scriptisto)
* [cargo-all-features](https://github.com/frewsxcv/cargo-all-features) - A configurable subcommand to simplify testing, building and much more for all combinations of features [](https://github.com/frewsxcv/cargo-all-features/actions/workflows/ci.yml)
* [cargo-benchcmp](https://crates.io/crates/cargo-benchcmp) — A utility to compare Rust micro-benchmarks [](https://travis-ci.org/BurntSushi/cargo-benchcmp)
* [cargo-bitbake](https://crates.io/crates/cargo-bitbake) — A cargo extension that can generate BitBake recipes utilizing the classes from meta-rust [](https://travis-ci.org/cardoe/cargo-bitbake)
* [cargo-check](https://crates.io/crates/cargo-check) — A wrapper around `cargo rustc -- -Zno-trans` which can be helpful for running a faster compile if you only need correctness checks [](https://travis-ci.org/rsolomo/cargo-check)
* [cargo-count](https://crates.io/crates/cargo-count) — lists source code counts and details about cargo projects, including unsafe statistics [](https://travis-ci.org/kbknapp/cargo-count)
* [cargo-do](https://crates.io/crates/cargo-do) — run multiple cargo commands in a row [](https://travis-ci.org/pwoolcoc/cargo-do)
* [cargo-ebuild](https://crates.io/crates/cargo-ebuild) — cargo extension that can generate ebuilds using the in-tree eclasses [](https://travis-ci.org/cardoe/cargo-ebuild)
* [cargo-edit](https://crates.io/crates/cargo-edit) — allows you to add and list dependencies by reading/writing to your Cargo.toml file from the command line [](https://travis-ci.org/killercup/cargo-edit)
* [cargo-generate](https://github.com/cargo-generate/cargo-generate) A generator of a rust project by leveraging a pre-existing git repository as a template.
* [cargo-graph](https://crates.io/crates/cargo-graph) — updated fork of `cargo-dot` with additional features. Unmaintained, see `cargo-deps` [](https://travis-ci.org/kbknapp/cargo-graph)
* [cargo-info](https://crates.io/crates/cargo-info) — queries crates.io for crates details from command line [](https://travis-ci.org/imp/cargo-info)
* [cargo-license](https://crates.io/crates/cargo-license) — A cargo subcommand to quickly view the licenses of all dependencies. [](https://travis-ci.org/onur/cargo-license)
* [cargo-modules](https://crates.io/crates/cargo-modules) — A cargo plugin for showing a tree-like overview of a crate's modules. [](https://travis-ci.org/regexident/cargo-modules)
* [cargo-outdated](https://crates.io/crates/cargo-outdated) — displays when newer versions of Rust dependencies are available, or out of date [](https://travis-ci.org/kbknapp/cargo-outdated)
* [cargo-script](https://crates.io/crates/cargo-script) — lets people quickly and easily run Rust "scripts" which can make use of Cargo's package ecosystem [](https://travis-ci.org/DanielKeep/cargo-script)
* [cargo-update](https://crates.io/crates/cargo-update) — cargo subcommand for checking and applying updates to installed executables [](https://travis-ci.org/nabijaczleweli/cargo-update)
* [cargo-watch](https://crates.io/crates/cargo-watch) — utility for cargo to compile projects when sources change [](https://travis-ci.org/passcod/cargo-watch)
* [SiegeLord/RustCMake](https://github.com/SiegeLord/RustCMake) — an example project showing usage of CMake with Rust [](https://travis-ci.org/SiegeLord/RustCMake)
* [gdbgui](https://github.com/cs01/gdbgui) — Browser based frontend for gdb to debug C, C++, Rust, and go. [](https://travis-ci.org/cs01/gdbgui)
* [CodeLLDB](https://marketplace.visualstudio.com/items?itemName=vadimcn.vscode-lldb) — A LLDB extension for [Visual Studio Code](https://code.visualstudio.com/).
* [emk/rust-musl-builder](https://github.com/emk/rust-musl-builder) — Docker images for compiling static Rust binaries using musl-libc and musl-gcc, with static versions of useful C libraries
* [kpcyrd/mini-docker-rust](https://github.com/kpcyrd/mini-docker-rust) — An example project for very small rust docker images [](https://travis-ci.org/kpcyrd/mini-docker-rust)
* [LukeMathWalker/cargo-chef](https://github.com/LukeMathWalker/cargo-chef) - A tool and pre-built images for caching compiling remote dependencies between Docker builds.
[Rust Embedded](https://rust-embedded.org/) focuses on improving the end-to-end experience of using Rust in resource-constrained environments and non-traditional platforms. See [awesome-embedded-rust](https://github.com/rust-embedded/awesome-embedded-rust) for a curated, and more extended list of embedded Rust resources.
* [japaric/rust-cross](https://github.com/japaric/rust-cross) — everything you need to know about cross compiling Rust programs [](https://travis-ci.org/japaric/rust-cross)
* [japaric/xargo](https://github.com/japaric/xargo) — effortless cross compilation of Rust programs to custom bare-metal targets like ARM Cortex-M [](https://travis-ci.org/japaric/xargo)
* [esp-rs](https://github.com/esp-rs) home to a number of community projects enabling the use of the Rust programming language on various SoCs and modules produced by Espressif Systems.
See also [Foreign Function Interface](https://doc.rust-lang.org/book/first-edition/ffi.html), [The Rust FFI Omnibus](http://jakegoulding.com/rust-ffi-omnibus/) (a collection of examples of using code written in Rust from other languages) and [FFI examples written in Rust](https://github.com/alexcrichton/rust-ffi-examples).
* [rlhunt/cbindgen](https://github.com/eqrion/cbindgen) — generates C header files from Rust source files. Used in Gecko for WebRender [](https://travis-ci.org/eqrion/cbindgen)
* [Sean1708/rusty-cheddar](https://github.com/Sean1708/rusty-cheddar) — generates C header files from Rust source files [](https://travis-ci.org/Sean1708/rusty-cheddar)
* [dtolnay/cxx](https://github.com/dtolnay/cxx) — Safe interop between Rust and C++ [](https://github.com/dtolnay/cxx)
* [drrb/java-rust-example](https://github.com/drrb/java-rust-example) — use Rust from Java [](https://travis-ci.org/drrb/java-rust-example)
* [j4rs](https://crates.io/crates/j4rs) — use Java from Rust [](https://travis-ci.org/astonbitecode/j4rs)
* [jni](https://crates.io/crates/jni) — use Rust from Java [](https://travis-ci.org/jni-rs/jni-rs)
* [jni-sys](https://crates.io/crates/jni-sys) — Rust definitions corresponding to jni.h [](https://travis-ci.org/sfackler/rust-jni-sys)
* [rucaja](https://crates.io/crates/rucaja) — use Java from Rust [](https://travis-ci.org/kud1ing/rucaja)
* [neon-bindings/neon](https://github.com/neon-bindings/neon) — Rust bindings for writing safe and fast native Node.js modules [](https://travis-ci.org/neon-bindings/neon)
* [getsentry/milksnake](https://github.com/getsentry/milksnake) — extension for python setuptools that allows you to distribute dynamic linked libraries in Python wheels in the most portable way imaginable.
* [danielpclark/rutie](https://github.com/danielpclark/rutie) — native Ruby extensions written in Rust and vice versa [](https://travis-ci.org/danielpclark/rutie)
* [rhysd/wain](https://github.com/rhysd/wain) - wain: WebAssembly INterpreter from scratch in Safe Rust with zero dependency [](https://github.com/rhysd/wain/actions?query=workflow%3ACI+branch%3Amaster+event%3Apush)
* [rustwasm/wasm-bindgen](https://github.com/rustwasm/wasm-bindgen) — A project for facilitating high-level interactions between wasm modules and JS. [](https://travis-ci.org/rustwasm/wasm-bindgen)
* [rustwasm/wasm-pack](https://github.com/rustwasm/wasm-pack) — :package: :sparkles: pack up the wasm and publish it to npm! [](https://travis-ci.org/rustwasm/wasm-pack)
* [rust-lang/atom-ide-rust](https://github.com/rust-lang/atom-ide-rust) — Rust IDE support for Atom, powered by the Rust Language Server (RLS) [](https://app.travis-ci.com/grust-lang/atom-ide-rust)
* [emacs-racer](https://github.com/racer-rust/emacs-racer) — Autocompletion (see also [company](https://company-mode.github.io) and [auto-complete](https://github.com/auto-complete/auto-complete))
* [rustic](https://github.com/brotzeit/rustic) - Rust development environment for Emacs [](https://github.com/brotzeit/rustic/actions?query=workflow%3ACI)
* [kak-lsp/kak-lsp](https://github.com/kak-lsp/kak-lsp/) — [LSP](https://microsoft.github.io/language-server-protocol/) client. Implemented in Rust and supports rls out of the box.
* [autozimu/LanguageClient-neovim](https://github.com/autozimu/LanguageClient-neovim) — [LSP](https://microsoft.github.io/language-server-protocol/) client. Implemented in Rust and supports rls out of the box.
* [rust.vim](https://github.com/rust-lang/rust.vim) — provides file detection, syntax highlighting, formatting, Syntastic integration, and more.
* [vim-racer](https://github.com/racer-rust/vim-racer) — allows vim to use [Racer](https://github.com/racer-rust/racer) for Rust code completion and navigation.
* [dgriffen/rls-vs2017](https://github.com/ZoeyR/rls-vs2017) — Rust support for Visual Studio 2017 Preview [](https://ci.appveyor.com/project/dgriffen/rls-vs2017)
* [PistonDevelopers/VisualRust](https://github.com/PistonDevelopers/VisualRust) — A Visual Studio extension for Rust [](https://ci.appveyor.com/project/vosen/visualrust)
* [crates](https://github.com/serayuzgur/crates) — crates is an extension for crates.io dependencies. [](https://github.com/serayuzgur/crates) [](https://travis-ci.org/serayuzgur/crates)
* [rust-lang/rls-vscode](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust) — Rust support for Visual Studio Code (supports both RLS and rust-analyzer)
* [static_assertions](https://crates.io/crates/static_assertions) — Compile-time assertions to ensure that invariants are met [](https://travis-ci.org/nvzqz/static-assertions-rs/)
* [tarpaulin](https://crates.io/crates/cargo-tarpaulin) — A code coverage tool designed for Rust [](https://travis-ci.org/xd009642/tarpaulin)
* Continuous Integration
* [trust](https://github.com/japaric/trust) — A Travis CI and AppVeyor template to test your Rust crate on 5 architectures and publish binary releases of it for Linux, macOS and Windows
* [cargo-dinghy](https://crates.io/crates/cargo-dinghy/) - A cargo extension to simplify running library tests and benches on smartphones and other small processor devices.
* [cucumber](https://crates.io/crates/cucumber) [](https://crates.io/crates/cucumber) — An implementation of the Cucumber testing framework for Rust. Fully native, no external test runners or dependencies. [](https://github.com/cucumber-rs/cucumber)
* [rstest](https://crates.io/crates/rstest) — Fixture-based test framework for Rust [](https://github.com/la10736/rstest/actions)
* [speculate](https://crates.io/crates/speculate) — An RSpec inspired minimal testing framework for Rust
* [fake-rs](https://github.com/cksac/fake-rs) — A library for generating fake data [](https://travis-ci.org/cksac/fake-rs)
* [goldenfile](https://github.com/calder/rust-goldenfile) [[goldenfile](https://crates.io/crates/goldenfile)] - A library providing a simple API for goldenfile testing. [](https://travis-ci.org/calder/rust-goldenfile)
* [nrxus/faux](https://github.com/nrxus/faux/) [](https://crates.io/crates/faux) — A library to create mocks out of structs. 
* [proptest](https://crates.io/crates/proptest) — property testing framework inspired by the [Hypothesis](https://hypothesis.works/) framework for Python [](https://travis-ci.org/altsysrq/proptest)
* [quickcheck](https://crates.io/crates/quickcheck) — A Rust implementation of [QuickCheck](https://wiki.haskell.org/Introduction_to_QuickCheck1) [](https://travis-ci.org/BurntSushi/quickcheck)
* [rust-fuzz/afl.rs](https://github.com/rust-fuzz/afl.rs) — A Rust fuzzer, using [AFL](https://lcamtuf.coredump.cx/afl/) [](https://travis-ci.org/rust-fuzz/afl.rs)
* [BayesWitnesses/m2cgen](https://github.com/BayesWitnesses/m2cgen) — A CLI tool to transpile trained classic machine learning models into a native Rust code with zero dependencies. [](https://github.com/BayesWitnesses/m2cgen/actions)
* [immunant/c2rust](https://github.com/immunant/c2rust) — C to Rust translator and cross checker built atop Clang/LLVM. [](https://travis-ci.org/immunant/c2rust)
* [jameysharp/corrode](https://github.com/jameysharp/corrode) — A C to Rust translator written in Haskell.
* [perf-monitor-rs](https://github.com/larksuite/perf-monitor-rs) — A toolkit designed to be a foundation for applications to monitor their performance. [](https://crates.io/crates/perf_monitor)
* [Phate6660/nixinfo](https://github.com/Phate6660/nixinfo) [[crate](https://crates.io/crates/nixinfo)] — A lib crate for gathering system info such as cpu, distro, environment, kernel, etc.
* [Martin1887/oxigen](https://github.com/Martin1887/oxigen) — Fast, parallel, extensible and adaptable genetic algorithm library. A example using this library solves the N Queens problem for N = 255 in only few seconds and using less than 1 MB of RAM.
* [pkalivas/radiate](https://github.com/pkalivas/radiate) — A customizable parallel genetic programming engine capable of evolving solutions for supervised, unsupervised, and reinforcement learning problems. Comes with complete and customizable implementation of NEAT and Evtree. [](https://app.travis-ci.com/github/pkalivas/radiate)
See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_eng/about-rust-s-machine-learning-community-4cda5ec8a790#.hvkp56j3f) and [Are we learning yet?](https://www.arewelearningyet.com).
* [autumnai/leaf](https://github.com/autumnai/leaf) — Open Machine Intelligence framework. [](https://travis-ci.org/autumnai/leaf). Abandoned project. The most updated fork is [spearow/juice]( https://github.com/spearow/juice).
* [huggingface/tokenizers](https://github.com/huggingface/tokenizers) - Hugging Face's tokenizers for modern NLP pipelines written in Rust (original implementation) with bindings for Python. [](https://github.com/huggingface/tokenizers/actions)
* [LaurentMazare/tch-rs](https://github.com/LaurentMazare/tch-rs) — Rust language bindings for PyTorch. [](https://travis-ci.org/LaurentMazare/tch-rs)
* [maciejkula/rustlearn](https://github.com/maciejkula/rustlearn) — Machine learning crate for Rust. [](https://app.circleci.com/pipelines/github/maciejkula/rustlearn)
* [tensorflow/rust](https://github.com/tensorflow/rust) — Rust language bindings for TensorFlow. [](https://travis-ci.org/tensorflow/rust)
* [flosse/rust-sun](https://github.com/flosse/rust-sun) [[sun](https://crates.io/crates/sun)] — A rust port of the JS library suncalc [](https://travis-ci.org/flosse/rust-sun)
* [async-std](https://async.rs/) [[async-std]](https://crates.io/crates/async-std) - Async version of the Rust standard library [](https://github.com/async-rs/async-std/actions/workflows/ci.yml)
* [mio](https://github.com/tokio-rs/mio) — MIO is a lightweight IO library for Rust with a focus on adding as little overhead as possible over the OS abstractions [](https://travis-ci.org/tokio-rs/mio)
* [zonyitoo/coio-rs](https://github.com/zonyitoo/coio-rs) — A coroutine I/O library with a working-stealing scheduler [](https://travis-ci.org/zonyitoo/coio-rs)
* [insomnimus/nodi](https://github.com/insomnimus/nodi) [[nodi](https://crates.io/crates/nodi)] — A library for playback and abstraction of MIDI files. [](https://github.com/insomnimus/nodi/actions)
* [jhasse/ears](https://github.com/jhasse/ears) — A simple library to play Sounds and Musics, on top of OpenAL and libsndfile [](https://travis-ci.org/jhasse/ears)
* [ozankasikci/rust-music-theory](https://github.com/ozankasikci/rust-music-theory) — A Rust music theory library [](https://travis-ci.org/ozankasikci/rust-music-theory)
* [pdeljanov/Symphonia](https://github.com/pdeljanov/Symphonia) — A pure Rust audio decoding and media demuxing library supporting AAC, FLAC, MP3, MP4, OGG, Vorbis, and WAV.
* [Serial-ATA/lofty-rs](https://github.com/Serial-ATA/lofty-rs) [[lofty](https://crates.io/crates/lofty)] — A library for reading and editing the metadata of various audio formats [](https://github.com/Serial-ATA/lofty-rs/actions)
* [oxide-auth](https://github.com/HeroicKatora/oxide-auth) — A OAuth2 server library, for use in combination with actix or other frontends, featuring a set of configurable and pluggable backends [](https://cirrus-ci.com/github/HeroicKatora/oxide-auth)
* [yup-oauth2](https://github.com/dermesser/yup-oauth2) — An oauth2 client implementation providing the Device, Installed and Service Account flows [](https://travis-ci.org/dermesser/yup-oauth2)
* [marcelbuesing/can-dbc](https://github.com/marcelbuesing/can-dbc) [[can-dbc](https://crates.io/crates/can-dbc)] — A parser for the DBC format [](https://travis-ci.org/marcelbuesing/can-dbc)
* [marcelbuesing/tokio-socketcan-bcm](https://github.com/marcelbuesing/tokio-socketcan-bcm) [[tokio-socketcan-bcm](https://crates.io/crates/tokio-socketcan-bcm)] — Linux SocketCAN BCM support for tokio [](https://travis-ci.org/marcelbuesing/tokio-socketcan-bcm)
* [oefd/tokio-socketcan](https://github.com/oefd/tokio-socketcan) [[tokio-socketcan]](https://crates.io/crates/tokio-socketcan)] — Linux SocketCAN support for tokio based on the socketcan crate
* [Sensirion/lin-bus](https://github.com/Sensirion/lin-bus-rs) [[lin-bus](https://crates.io/crates/lin-bus)] — LIN bus driver traits and protocol implementation [](https://app.circleci.com/pipelines/github/Sensirion/lin-bus-rs)
* [Qovery/engine](https://github.com/Qovery/engine) - Abstraction layer library that turns easy application deployment on Cloud providers in just a few minutes
* [clap-rs](https://github.com/clap-rs/clap) [[clap](https://crates.io/crates/clap)] — A simple to use, full featured command-line argument parser [](https://travis-ci.org/clap-rs/clap)
* [docopt/docopt.rs](https://github.com/docopt/docopt.rs) [[docopt](https://crates.io/crates/docopt)] — A Rust implementation of [DocOpt](http://docopt.org) [](https://travis-ci.org/docopt/docopt.rs)
* [ksk001100/seahorse](https://github.com/ksk001100/seahorse) [[seahorse](https://crates.io/crates/seahorse)] — A minimal CLI framework written in Rust [](https://github.com/ksk001100/seahorse/actions)
* [TeXitoi/structopt](https://github.com/TeXitoi/structopt) [[structopt](https://crates.io/crates/structopt)] — parse command line argument by defining a struct [](https://travis-ci.org/TeXitoi/structopt)
* [zhiburt/tabled](https://github.com/zhiburt/tabled) [[tabled](https://crates.io/crates/tabled)] — An easy to use library for pretty print tables of Rust structs and enums. [](https://github.com/zhiburt/tabled/actions)
* [mgrachev/update-informer](https://github.com/mgrachev/update-informer) [[update-informer](https://crates.io/crates/update-informer)] — Update informer for CLI applications. It checks for a new version on Crates.io and GitHub [](https://github.com/mgrachev/update-informer/actions)
* [oconnor663/duct.rs](https://github.com/oconnor663/duct.rs) [[duct](https://crates.io/crates/duct)] — A builder for subprocess pipelines and IO redirection [](https://travis-ci.org/oconnor663/duct.rs)
* [philippkeller/rexpect](https://github.com/philippkeller/rexpect) [[rexpect](https://crates.io/crates/rexpect)] — automate interactive applications such as ssh, ftp, passwd, etc [](https://travis-ci.org/philippkeller/rexpect)
* [zhiburt/expectrl](https://github.com/zhiburt/expectrl) [[expectrl](https://crates.io/crates/expectrl)] — A library for controlling interactive programs in a pseudo-terminal [](https://github.com/zhiburt/expectrl/actions/workflows/ci.yml)
* [starship/starship](https://starship.rs/) [[starship](https://crates.io/crates/starship)] — A minimal, blazing fast, and extremely customizable prompt for any shell [](https://github.com/starship/starship/actions)
* [ynqa/promkit](https://github.com/ynqa/promkit) [[promkit](https://crates.io/crates/promkit)] — A toolkit for building interactive command-line tools [](https://github.com/ynqa/promkit/actions)
* [mackwic/colored](https://github.com/mackwic/colored) [[colored](https://crates.io/crates/colored)] — Coloring terminal so simple, you already know how to do it!
* [ogham/rust-ansi-term](https://github.com/ogham/rust-ansi-term) [[ansi_term](https://crates.io/crates/ansi_term)] — control colours and formatting on ANSI terminals [](https://travis-ci.org/ogham/rust-ansi-term)
* [SergioBenitez/yansi](https://github.com/SergioBenitez/yansi) [[yansi](https://crates.io/crates/yansi)] — A dead simple ANSI terminal color painting library
* [fdehau/tui-rs](https://github.com/fdehau/tui-rs) [[tui](https://crates.io/crates/tui)] — A TUI library inspired by [blessed-contrib](https://github.com/yaronn/blessed-contrib) and [termui](https://github.com/gizak/termui) [](https://travis-ci.org/fdehau/tui-rs)
* [ivanceras/titik](https://github.com/ivanceras/titik) - a crossplatform TUI widget library with the goal of providing interactive widgets [](https://app.travis-ci.com/github/ivanceras/titik)
* [ihalila/pancurses](https://github.com/ihalila/pancurses) [[pancurses](https://crates.io/crates/pancurses)] — curses library, supports linux and windows [](https://travis-ci.org/ihalila/pancurses)
* [ogham/rust-term-grid](https://github.com/ogham/rust-term-grid) [[term_grid](https://crates.io/crates/term_grid)] — Rust library for putting things in a grid [](https://travis-ci.org/ogham/rust-term-grid)
* [zopfli](https://github.com/zopfli-rs/zopfli) [[zopfli](https://crates.io/crates/zopfli)] — implementation of the Zopfli compression algorithm for higher quality deflate or zlib compression
* [alexcrichton/tar-rs](https://github.com/alexcrichton/tar-rs) — tar archive reading/writing in Rust [](https://travis-ci.org/alexcrichton/tar-rs)
* [zip-rs/zip](https://github.com/zip-rs/zip) — read and write ZIP archives [](https://travis-ci.org/mvdnes/zip-rs)
* [autumnai/collenchyma](https://github.com/autumnai/collenchyma) — An extensible, pluggable, backend-agnostic framework for parallel, high-performance computations on CUDA, OpenCL and common host CPU. [](https://travis-ci.org/autumnai/collenchyma)
* [crossbeam-rs/crossbeam](https://github.com/crossbeam-rs/crossbeam) – Support for parallelism and low-level concurrency in Rust [](https://travis-ci.org/crossbeam-rs/crossbeam)
* [orium/archery](https://github.com/orium/archery) [[archery](https://crates.io/crates/archery)] — Library to abstract from `Rc`/`Arc` pointer types. [](https://travis-ci.org/orium/archery)
* [Rayon](https://github.com/rayon-rs/rayon) – A data parallelism library for Rust [](https://travis-ci.org/rayon-rs/rayon)
* [rustcc/coroutine-rs](https://github.com/rustcc/coroutine-rs) – Coroutine Library in Rust [](https://travis-ci.org/rustcc/coroutine-rs)
* [zonyitoo/coio-rs](https://github.com/zonyitoo/coio-rs) – Coroutine I/O for Rust [](https://travis-ci.org/zonyitoo/coio-rs)
* [mehcode/config-rs](https://github.com/mehcode/config-rs) [[config](https://crates.io/crates/config)] — Layered configuration system for Rust applications (with strong support for 12-factor applications). [](https://travis-ci.org/mehcode/config-rs)
* [briansmith/ring](https://github.com/briansmith/ring) — Safe, fast, small crypto using Rust and BoringSSL's cryptography primitives. [](https://travis-ci.org/briansmith/ring)
* [briansmith/webpki](https://github.com/briansmith/webpki) — Web PKI TLS X.509 certificate validation in Rust. [](https://travis-ci.org/briansmith/webpki)
* [conradkleinespel/rooster](https://github.com/conradkleinespel/rooster) [[rooster](https://crates.io/crates/rooster)] — Simple password manager to use in your terminal
* [cossacklabs/themis](https://github.com/cossacklabs/themis) [[themis](https://crates.io/crates/themis)] — a high-level cryptographic library for solving typical data security tasks, best fit for multi-platform apps. [](https://app.circleci.com/pipelines/github/cossacklabs/themis)
* [libOctavo/octavo](https://github.com/libOctavo/octavo) — Modular hash and crypto library in Rust [](https://travis-ci.org/libOctavo/octavo)
* [novifinancial/opaque-ke](https://github.com/novifinancial/opaque-ke) — Pure Rust implementation of the recent [OPAQUE](https://datatracker.ietf.org/doc/draft-krawczyk-cfrg-opaque/) password-authenticated key exchange. [](https://github.com/novifinancial/opaque-ke)
* [orion-rs/orion](https://github.com/orion-rs/orion) — This library aims to provide easy and usable crypto. 'Usable' meaning exposing high-level API's that are easy to use and hard to misuse. [](https://github.com/orion-rs/orion/actions/workflows/test.yml)
* [racum/rust-djangohashers](https://github.com/racum/rust-djangohashers) [[djangohashers](https://crates.io/crates/djangohashers)] — A Rust port of the password primitives used in the Django Project. It doesn't require Django, only hashes and validates passwords according to its style. [](https://travis-ci.org/Racum/rust-djangohashers)
* [RustCrypto/hashes](https://github.com/RustCrypto/hashes) — Collection of cryptographic hash functions written in pure Rust [](https://travis-ci.org/RustCrypto/hashes)
* [becheran/grid](https://github.com/becheran/grid) [[grid](https://crates.io/crates/grid)] — Provide a two dimensional data structure for rust that is easy to use and fast. [](https://github.com/becheran/grid/actions)
* [billyevans/tst](https://github.com/billyevans/tst) [[tst](https://crates.io/crates/tst)] — Ternary search tree collection [](https://travis-ci.org/billyevans/tst)
* [contain-rs](https://github.com/contain-rs) — Extension of Rust's std::collections
* [danielpclark/array_tool](https://github.com/danielpclark/array_tool) — Array helpers for Rust. Some of the most common methods you would use on Arrays made available on Vectors. Polymorphic implementations for handling most of your use cases. [](https://travis-ci.org/danielpclark/array_tool)
* [fizyk20/generic-array](https://github.com/fizyk20/generic-array) – a hack to allow for arrays sized by typenums [](https://travis-ci.org/fizyk20/generic-array)
* [garro95/priority-queue](https://github.com/garro95/priority-queue)[[priority-queue](https://crates.io/crates/priority-queue)] — A priority queue that implements priority changes. [](https://travis-ci.org/garro95/priority-queue)
* [mrhooray/kdtree-rs](https://github.com/mrhooray/kdtree-rs) — K-dimensional tree in Rust for fast geospatial indexing and nearest neighbors lookup
* [orium/rpds](https://github.com/orium/rpds) [[rpds](https://crates.io/crates/rpds)] — Persistent data structures in Rust. [](https://github.com/orium/rpds/actions?query=workflow%3ACI)
* [RoaringBitmap/roaring-rs](https://github.com/RoaringBitmap/roaring-rs) – Roaring Bitmaps in Rust
* [tnballo/scapegoat](https://github.com/tnballo/scapegoat) [[scapegoat](https://crates.io/crates/scapegoat)] — Safe, fallible, stack-only alternative to `BTreeSet` and `BTreeMap`. [](https://github.com/tnballo/scapegoat/actions)
* [xfix/enum-map](https://github.com/xfix/enum-map) [[enum-map](https://crates.io/crates/enum-map)] — An optimized map implementation for enums using an array to store values. [](https://travis-ci.org/xfix/enum-map)
* [yamafaktory/hypergraph](https://github.com/yamafaktory/hypergraph) [[hypergraph](https://crates.io/crates/hypergraph)] — Hypergraph is a data structure library to generate directed hypergraphs. [](https://github.com/yamafaktory/hypergraph/actions/workflows/ci.yml)
### Data visualization
* [djduque/pgfplots](https://github.com/djduque/pgfplots) [[pgfplots](https://crates.io/crates/pgfplots)] — A Rust library to generate publication-quality figures. [](https://github.com/DJDuque/pgfplots/actions/workflows/rust.yml)
* [igiagkiozis/plotly](https://github.com/igiagkiozis/plotly) — Plotly for Rust.
* [krojew/cdrs-tokio](https://github.com/krojew/cdrs-tokio) [[cdrs-tokio](https://crates.io/crates/cdrs-tokio)] - production-ready async Apache Cassandra driver written in pure Rust [](https://github.com/krojew/cdrs-tokio/actions)
* [chill-rs/chill](https://github.com/chill-rs/chill) [[couchdb](https://crates.io/crates/chill)] — A Rust client for the CouchDB REST API [](https://travis-ci.org/chill-rs/chill)
* [softprops/dynomite](https://github.com/softprops/dynomite) - A library for strongly-typed and convenient interaction with `rusoto_dynamodb` [](https://github.com/softprops/dynomite/actions)
* [benashford/rs-es](https://github.com/benashford/rs-es) [[rs-es](https://crates.io/crates/rs-es)] — A Rust client for the [Elastic](https://www.elastic.co/) REST API [](https://travis-ci.org/benashford/rs-es)
* [elastic-rs/elastic](https://github.com/elastic-rs/elastic) [[elastic](https://crates.io/crates/elastic)] — elastic is an efficient, modular API client for Elasticsearch written in Rust [](https://ci.appveyor.com/project/KodrAus/elastic)
* [lodrem/etcd-rs](https://github.com/lodrem/etcd-rs) — An asynchronous etcd client for rust [](https://github.com/lodrem/etcd-rs/actions/workflows/ci.yml)
* [aembke/fred](https://github.com/aembke/fred.rs) [[fred](https://crates.io/crates/fred)] - A high level async [Redis](https://redis.io/) client for Rust with Tokio. []([https://circleci.com/gh/aembke/fred.rs/tree/main](https://app.circleci.com/pipelines/github/aembke/fred.rs?branch=main))
* [krojew/rust-zookeeper](https://github.com/krojew/rust-zookeeper) [[zookeeper-async](https://crates.io/crates/zookeeper-async)] - Async Zookeeper client written 100% in Rust, based on tokio. 
* [Brendonovich/prisma-client-rust](https://github.com/Brendonovich/prisma-client-rust) — An autogenerated query builder that provides simple and fully type-safe database access using the Prisma ecosystem. [](https://github.com/Brendonovich/prisma-client-rust/actions)
* [diesel-rs/diesel](https://github.com/diesel-rs/diesel) — an ORM and Query builder for Rust [](https://travis-ci.org/diesel-rs/diesel)
* [ivanceras/rustorm](https://github.com/ivanceras/rustorm) — an ORM for Rust [](https://travis-ci.org/ivanceras/rustorm)
* [launchbadge/sqlx](https://github.com/launchbadge/sqlx) - async PostgreSQL/MySQL/SQLite connection pool with strong typing support [](https://github.com/launchbadge/sqlx)
* [AgilData/mysql-proxy-rs](https://github.com/AgilData/mysql-proxy-rs) — A MySQL Proxy [](https://app.circleci.com/pipelines/github/AgilData/mysql-proxy-rs?branch=master)
* [blackbeam/mysql_async](https://github.com/blackbeam/mysql_async) [[mysql_async](https://crates.io/crates/mysql_async)] — asyncronous Rust Mysql driver based on Tokio. [](https://app.circleci.com/pipelines/github/blackbeam/mysql_async?branch=master)
* [blackbeam/rust-mysql-simple](https://github.com/blackbeam/rust-mysql-simple) [[mysql](https://crates.io/crates/mysql)] — A native MySql client [](https://travis-ci.org/blackbeam/rust-mysql-simple)
* [Mnwa/ms](https://github.com/Mnwa/ms) [[ms-converter](https://crates.io/crates/ms-converter)] — it's a library for converting human-like times to milliseconds [](https://github.com/Mnwa/ms/actions?query=workflow%3Abuild)
* [serverlesstechnology/cqrs](https://github.com/serverlesstechnology/cqrs) [[cqrs-es](https://crates.io/crates/cqrs-es)] — A framework for CQRS and event sourcing with [user guide](https://doc.rust-cqrs.org/)
* [jdrouet/catapulte](https://github.com/jdrouet/catapulte) [](https://travis-ci.org/jdrouet/catapulte) - A microservice to send emails using [MRML](https://github.com/jdrouet/mrml) templates.
* [jdrouet/jolimail](https://github.com/jdrouet/jolimail) [](https://gitlab.com/jeremie.drouet/jolimail/-/commits/main) - A web application to build [MRML](https://github.com/jdrouet/mrml) templates.
* [jdrouet/mrml](https://github.com/jdrouet/mrml) [](https://travis-ci.org/jdrouet/mrml) - A library to generate nice email templates working on any mail client.
* [lettre/lettre](https://github.com/lettre/lettre) — an SMTP-library for Rust [](https://github.com/lettre/lettre/actions/workflows/test.yml)
* [staktrace/mailparse](https://github.com/staktrace/mailparse) [[mailparse](https://crates.io/crates/mailparse)] — A library for parsing real-world email files [](https://travis-ci.org/staktrace/mailparse)
* [stalwartlabs/mail-parser](https://github.com/stalwartlabs/mail-parser) [[mail-parser](https://crates.io/crates/mail-parser)] - A fast and robust e-mail parsing library with full MIME support [](https://github.com/stalwartlabs/mail-parser/actions/workflows/rust.yml)
* [stalwartlabs/mail-send](https://github.com/stalwartlabs/mail-send) [[mail-send](https://crates.io/crates/mail-send)] - E-mail builder and SMTP client library with DKIM support [](https://github.com/stalwartlabs/mail-send/actions/workflows/rust.yml)
* [bincode-org/bincode](https://github.com/bincode-org/bincode) — A binary encoder/decoder in Rust [](https://github.com/bincode-org/bincode/actions/workflows/rust.yml)
* [serde_cbor](https://crates.io/crates/serde_cbor) — CBOR support for serde [](https://travis-ci.org/pyfisch/cbor)
* [hsivonen/encoding_rs](https://github.com/hsivonen/encoding_rs) [[encoding_rs](https://crates.io/crates/encoding_rs)] — A Gecko-oriented implementation of the Encoding Standard in Rust [](https://travis-ci.org/hsivonen/encoding_rs)
* [BurntSushi/rust-csv](https://github.com/BurntSushi/rust-csv) — A fast and flexible CSV reader and writer, with support for Serde [](https://travis-ci.org/BurntSushi/rust-csv)
* [naomijub/edn-rs](https://github.com/naomijub/edn-rs) [[edn-rs](https://crates.io/crates/edn-rs)] — crate to parse and emit EDN format into Rust types. [](https://travis-ci.org/naomijub/edn-rs)
* [pikkr/pikkr](https://github.com/pikkr/pikkr) [[pikkr](https://crates.io/crates/pikkr)] — JSON parser which picks up values directly without performing tokenization in Rust
* [simd-lite/simd-json](https://github.com/simd-lite/simd-json) [[simd-json](https://crates.io/crates/simd-json)] — High performance JSON parser based on a port of simdjson
* [jcreekmore/pem-rs](https://github.com/jcreekmore/pem-rs) [[pem](https://crates.io/crates/pem)] — A Rust based way to parse and encode PEM-encoded data [](https://travis-ci.org/jcreekmore/pem-rs)
* [vityafx/serde-aux](https://github.com/vityafx/serde-aux/) - additional tools for using with the serde library. [](https://github.com/vityafx/serde-aux/actions/workflows/ci.yml) [](https://crates.io/crates/serde-aux)
* [Florob/RustyXML](https://github.com/Florob/RustyXML) — an XML parser written in Rust [](https://travis-ci.org/Florob/RustyXML)
* [media-io/yaserde](https://github.com/media-io/yaserde) — Yet Another Serializer/Deserializer specialized for XML [](https://travis-ci.org/media-io/yaserde)
* [netvl/xml-rs](https://github.com/netvl/xml-rs) — A streaming XML library [](https://travis-ci.org/netvl/xml-rs)
* [shepmaster/sxd-document](https://github.com/shepmaster/sxd-document) — An XML library in Rust [](https://travis-ci.org/shepmaster/sxd-document)
* [shepmaster/sxd-xpath](https://github.com/shepmaster/sxd-xpath) — An XPath library in Rust [](https://travis-ci.org/shepmaster/sxd-xpath)
* [tafia/quick-xml](https://github.com/tafia/quick-xml) — High performance XML pull reader/writer [](https://travis-ci.org/tafia/quick-xml)
* [dtolnay/serde-yaml](https://github.com/dtolnay/serde-yaml) [[serde\_yaml](https://crates.io/crates/serde_yaml)] — YAML support for [Serde](https://github.com/serde-rs/serde) framework [](https://github.com/dtolnay/serde-yaml/actions?query=branch%3Amaster)
* [vitiral/stfu8](https://github.com/vitiral/stfu8) [[stfu8](https://crates.io/crates/stfu8)] — Sorta Text Format in UTF-8 [](https://travis-ci.org/vitiral/stfu8)
* [pop-os/dbus-udisks2](https://github.com/pop-os/dbus-udisks2) [[dbus-udisks2](https://crates.io/crates/dbus-udisks2)] - UDisks2 DBus API
* [pop-os/sys-mount](https://github.com/pop-os/sys-mount) [[sys-mount](https://crates.io/crates/sys-mount)] — High level abstraction for the `mount` / `umount2` system calls.
* [vityafx/challonge-rs](https://github.com/vityafx/challonge-rs) [[challonge](https://crates.io/crates/challonge)] — Client library for the Challonge REST API. Helps to organize tournaments. [](https://github.com/vityafx/challonge-rs/actions/workflows/ci.yml)
* [legion](https://github.com/amethyst/legion) — A feature rich high performance ECS library with minimal boilerplate [](https://github.com/amethyst/legion/actions)
* [Bevy](https://github.com/bevyengine/bevy) is a refreshingly simple data-driven game engine built in Rust. - [](https://crates.io/crates/bevy)
* [Fyrox](https://fyrox.rs/) — Rust Game engine 3D [](https://crates.io/crates/fyrox) [](https://github.com/FyroxEngine/Fyrox/blob/master/LICENSE.md) [](https://crates.io/crates/fyrox)
* [ggez](https://github.com/ggez/ggez) — A lightweight game framework for making 2D games with minimum friction - [](https://crates.io/crates/ggez) [](https://github.com/ggez/ggez/blob/master/LICENSE) [](https://crates.io/crates/ggez)
* [Kiss3d](http://kiss3d.org) — A Keep It Simple, Stupid 3d graphics engine written with Rust [](https://crates.io/crates/kiss3d)
* [godot-rust/godot-rust](https://github.com/godot-rust/godot-rust) [[gdnative](https://crates.io/crates/gdnative)] - Rust bindings to the Godot game engine [](https://github.com/godot-rust/godot-rust/actions/workflows/full-ci.yml)
* [VictoremWinbringer/Victorem](https://github.com/VictoremWinbringer/Victorem) [[Victorem](https://crates.io/crates/Victorem)] — Easy UDP Game Server and UDP Client framework for creating simple 2D and 3D online game prototype [](https://travis-ci.org/VictoremWinbringer/Victorem)
* [rust-reverse-geocoder](https://github.com/gx0r/rrgeo) — A fast, offline reverse geocoder in Rust, inspired by [thampiman/reverse-geocoder](https://github.com/thampiman/reverse-geocoder)
* [RazrFalcon/rustybuzz](https://github.com/RazrFalcon/rustybuzz) - An incremental harfbuzz port to Rust [](https://travis-ci.org/RazrFalcon/rustybuzz)
* [redox-os/rusttype](https://github.com/redox-os/rusttype) — A pure Rust alternative to libraries like FreeType [](https://travis-ci.org/redox-os/rusttype)
* [gfx-rs/gfx](https://github.com/gfx-rs/gfx) — A high-performance, bindless graphics API for Rust. [](https://travis-ci.org/gfx-rs/gfx)
* [gfx-rs/wgpu](https://github.com/gfx-rs/wgpu) - Native WebGPU implementation based on gfx-hal. [](https://github.com/gfx-rs/wgpu/actions)
* [glutin](https://crates.io/crates/glutin) — Rust alternative to [GLFW](https://www.glfw.org/) [](https://travis-ci.org/rust-windowing/glutin)
* [Kiss3d](http://kiss3d.org) — draw simple geometric figures and play with them with one-liners [](https://api.travis-ci.org/repositories/sebcrozet/kiss3d)
* [WASM-PDF](https://github.com/jussiniinikoski/wasm-pdf) – Generates PDF files with JavaScript and WASM (WebAssembly) [](https://travis-ci.org/jussiniinikoski/wasm-pdf)
* [DioxusLabs/dioxus](https://github.com/dioxuslabs/dioxus) - a portable, performant, and ergonomic framework for building cross-platform user interfaces in Rust. 
* [emilk/egui](https://github.com/emilk/egui) - Simple, fast, and highly portable immediate mode GUI library for Rust. egui runs on the web, natively, and in your favorite game engine. [](https://github.com/emilk/egui/actions?workflow=CI)
* [emoon/rust_minifb](https://github.com/emoon/rust_minifb) — minifb is a cross-platform window setup with optional bitmap rendering. It also comes with easy mouse and keyboard input. Primarily designed for prototyping
* [fschutt/azul](https://github.com/fschutt/azul) — A free, functional, IMGUI-oriented GUI framework for rapid development of desktop applications written in Rust, supported by the Mozilla WebRender rendering engine. [](https://travis-ci.org/fschutt/azul)
* [iced-rs/iced](https://github.com/iced-rs/iced) [[iced](https://crates.io/crates/iced)] — A cross-platform GUI library for Rust focused on simplicity and type-safety. Inspired by Elm.
* [Kiss-ui](https://github.com/KISS-UI/kiss-ui) — A simple UI framework built on IUP [](https://travis-ci.org/cybergeek94/kiss-ui)
* [ivanceras/sauron-native](https://github.com/ivanceras/sauron-native) - A truly native and cross platform GUI library. One unified code can be run as native GUI, Html Web and TUI. [](https://app.travis-ci.com/github/ivanceras/sauron-native)
* [OrbTk](https://github.com/redox-os/orbtk) — The Orbital Widget Toolkit is a multi platform (G)UI toolkit using SDL2 [](https://github.com/redox-os/orbtk/actions)
* [PistonDevelopers/conrod](https://github.com/PistonDevelopers/conrod/) — An easy-to-use, immediate-mode, 2D GUI library written entirely in Rust [](https://travis-ci.org/PistonDevelopers/conrod)
* [woboq/qmetaobject-rs](https://github.com/woboq/qmetaobject-rs) — Integrate Qml and Rust by building the QMetaObject at compile time. [](https://travis-ci.org/woboq/qmetaobject-rs)
* [rise-ui](https://github.com/rise-ui/rise) — Simple component-based cross-Platform GUI Toolkit for developing beautiful and user-friendly interfaces.
* [slint-ui/slint](https://github.com/slint-ui/slint) [[slint](https://crates.io/crates/slint)] — [Slint](https://slint-ui.com) is a toolkit to efficiently develop fluid graphical user interfaces for embedded devices and desktop applications. [](https://github.com/slint-ui/slint/actions?query=workflow%3ACI)
* [tauri-apps/tauri](https://github.com/tauri-apps/tauri) — Build smaller, faster, and more secure desktop applications with a web frontend, powered by [WRY](https://github.com/tauri-apps/wry). [](https://github.com/tauri-apps/tauri/actions?query=workflow%3A%22test+library%22)
* [abonander/img_hash](https://github.com/abonander/img_hash) — Perceptual image hashing and comparison for equality and similarity. [](https://travis-ci.org/abonander/img_hash)
* [image-rs/image](https://github.com/image-rs/image) — Basic imaging processing functions and methods for converting to and from image formats [](https://travis-ci.org/image-rs/image)
* [image-rs/imageproc](https://github.com/image-rs/imageproc) — An image processing library, based on the `image` library. [](https://travis-ci.org/image-rs/imageproc)
* [rust-cv/cv](https://github.com/rust-cv/cv) — Rust CV is a project to implement computer vision algorithms, abstractions, and systems in Rust. #[no_std] is supported where possible. 
* [shnewto/bnf](https://github.com/shnewto/bnf) — A library for parsing Backus–Naur form context-free grammars. [](https://travis-ci.org/shnewto/bnf)
* [jesusprubio/leg](https://github.com/jesusprubio/leg) — Elegant print for lazy devs. Make your CLIs nicer with minimal effort. [](https://github.com/jesusprubio/leg/actions/workflows/ci.yml)
* [tokio-rs/tracing](https://github.com/tokio-rs/tracing) — An application level tracing framework for async-aware structured logging, error handling, metrics, and more [](https://github.com/tokio-rs/tracing/actions?query=workflow%3ACI)
* [mattgathu/cute](https://github.com/mattgathu/cute) — Macro for Python-esque list comprehensions in Rust. [](https://travis-ci.org/tensorflow/rust)
* [Linq-in-Rust](https://github.com/StardustDL/Linq-in-Rust) - Macro and methods for C#-LINQ-like expressions. [](https://github.com/StardustDL/Linq-in-Rust/actions?query=workflow%3ACI)
* [ivanschuetz/rust_android_ios](https://github.com/ivanschuetz/rust_android_ios) — An example of using a shared Rust lib for Android and iOS using rust-swig and cbindgen respectively.
* [TimNN/cargo-lipo](https://github.com/TimNN/cargo-lipo) — A cargo lipo subcommand which automatically creates a universal library for use with your iOS application. [](https://travis-ci.org/TimNN/cargo-lipo)
* [mattnenterprise/rust-ftp](https://github.com/mattnenterprise/rust-ftp) — an [FTP](https://en.wikipedia.org/wiki/File_Transfer_Protocol) client for Rust [](https://travis-ci.org/mattnenterprise/rust-ftp)
* [tikv/grpc-rs](https://github.com/tikv/grpc-rs) — The gRPC library for Rust built on C Core library and futures [](https://travis-ci.org/tikv/grpc-rs)
* [achanda/ipnetwork](https://github.com/achanda/ipnetwork) — A library to work with IP networks in pure Rust [](https://travis-ci.org/achanda/ipnetwork)
* [candrew/netsim](https://github.com/canndrew/netsim) — A Rust library for network simulation and testing [](https://travis-ci.org/canndrew/netsim)
* [actix/actix](https://github.com/actix/actix) — Actor library for Rust [](https://travis-ci.org/actix/actix)
* [libpnet/libpnet](https://github.com/libpnet/libpnet) — A cross-platform, low level networking [](https://travis-ci.org/libpnet/libpnet)
* [smoltcp-rs/smoltcp](https://github.com/smoltcp-rs/smoltcp) — A standalone, event-driven TCP/IP stack that is designed for bare-metal, real-time systems [](https://travis-ci.org/smoltcp-rs/smoltcp)
* [tokio-rs/tokio](https://github.com/tokio-rs/tokio) — A network application framework for rapid development and highly scalable production deployments of clients and servers.
* [bytebeamio/rumqtt](https://github.com/bytebeamio/rumqtt) - A library for developers to build applications that communicate with the [MQTT protocol](https://mqtt.org) over TCP and WebSockets, with or without TLS. [](https://github.com/bytebeamio/rumqtt/actions/workflows/build.yml)
* [cloudflare/quiche](https://github.com/cloudflare/quiche) — cloudflare implementation of the QUIC transport protocol and HTTP/3 
* [ENQT-GmbH/remoc](https://github.com/ENQT-GmbH/remoc) [[remoc](https://crates.io/crates/remoc)] - Remoc provides channels (broadcast, mpsc, oneshot, watch) similar to Tokio's and trait calling over any remote transport. [](https://github.com/ENQT-GmbH/remoc/actions/workflows/rust.yml)
* [smallnest/rpcx-rs](https://github.com/smallnest/rpcx-rs) — A RPC library for Rust for developing microservices in easy and simple way. [](https://travis-ci.org/smallnest/rpcx-rs)
* [1c3t3a/rust-socketio](https://github.com/1c3t3a/rust-socketio) [[rust_socketio](https://crates.io/crates/rust_socketio)] — an implementation of a [socket.io](https://socket.io) client written in Rust. [](https://github.com/1c3t3a/rust-socketio/actions/workflows/build.yml)
* [Thrussh](https://pijul.org/thrussh) [[thrussh](https://crates.io/crates/thrussh)] — an SSH library written from scratch in Rust, backed by [libsodium](https://doc.libsodium.org/)
* [freestrings/jsonpath](https://github.com/freestrings/jsonpath) — [JsonPath](https://goessner.net/articles/JsonPath/) engine written in Rust. Webassembly and Javascript support too [](https://travis-ci.org/freestrings/jsonpath)
* [m4rw3r/chomp](https://github.com/m4rw3r/chomp) – A fast monadic-style parser combinator [](https://travis-ci.org/m4rw3r/chomp)
* [replicadse/wavefront_rs](https://github.com/replicadse/wavefront_rs) — A parser for the Wavefront OBJ format. [](https://crates.io/crates/wavefront_rs) [](https://crates.io/crates/wavefront_rs) [](https://github.com/replicadse/wavefront_rs/actions)
* [s-panferov/queryst](https://github.com/s-panferov/queryst) — A query string parsing library for Rust inspired by [gs](https://github.com/ljharb/qs#readme)
* [Susurrus/serialport-rs](https://gitlab.com/susurrus/serialport-rs) [[serialport](https://crates.io/crates/serialport)] — A cross-platform library that provides access to a serial port
* [svartalf/rust-battery](https://crates.io/crates/battery) — Cross-platform information about the notebook batteries [](https://travis-ci.org/svartalf/rust-battery)
* [retep998/winapi-rs](https://github.com/retep998/winapi-rs) — Windows API bindings [](https://github.com/retep998/winapi-rs/actions/workflows/rust.yml)
* [KusionStack/KCLVM](https://github.com/KusionStack/KCLVM) - A constraint-based record & functional language mainly used in configuration and policy scenarios.
* [mun](https://github.com/mun-lang/mun) — A compiled, statically-typed scripting language with first class hot reloading support [](https://travis-ci.org/mun-lang/mun)
* [murarth/ketos](https://github.com/murarth/ketos) — A Lisp dialect functional programming language serving as a scripting and extension language for rust
* [rhaiscript/rhai](https://github.com/rhaiscript/rhai) — A tiny and fast embedded scripting language resembling a combination of JavaScript and Rust [](https://github.com/rhaiscript/rhai/actions)
* [rune-rs/rune](https://github.com/rune-rs/rune) — An embeddable dynamic programming language for Rust
* [nyx-space](https://crates.io/crates/nyx-space) - High fidelity, fast, reliable and validated astrodynamical toolkit library, used for spacecraft mission design and orbit determination [](https://gitlab.com/nyx-space/nyx/-/pipelines)
* [kaj/ructe](https://github.com/kaj/ructe) — HTML template system for Rust [](https://travis-ci.org/kaj/ructe)
* [Keats/tera](https://github.com/Keats/tera) — template engine based on Jinja2 and the Django template language. [](https://github.com/Keats/tera/actions)
* [BurntSushi/suffix](https://github.com/BurntSushi/suffix) — Linear time suffix array construction (with Unicode support) [](https://travis-ci.org/BurntSushi/suffix)
* [cpc](https://github.com/probablykasper/cpc) - Parses and calculates strings of math with support for units and unit conversion, from `1+2` to `1% of round(1 lightyear / 14!s to km/h)`.
* [fancy-regex/fancy-regex](https://github.com/fancy-regex/fancy-regex) [[fancy-regex](https://crates.io/crates/fancy-regex)] - Regular expressions implementation designed to support a relatively rich set of features such as look-around and backtracking. [](https://crates.io/crates/fancy-regex) [](https://github.com/fancy-regex/fancy-regex/actions/workflows/ci.yml)
* [greyblake/whatlang-rs](https://github.com/greyblake/whatlang-rs) — Natural language detection library based on trigrams [](https://travis-ci.org/greyblake/whatlang-rs)
* [mgeisler/textwrap](https://github.com/mgeisler/textwrap) [[textwrap](https://crates.io/crates/textwrap)] — Word wrap text (with support for hyphenation) [](https://travis-ci.org/mgeisler/textwrap)
* [ps1dr3x/easy_reader](https://github.com/ps1dr3x/easy_reader) — A reader that allows forwards, backwards and random navigations through the lines of huge files without consuming iterators [](https://travis-ci.org/ps1dr3x/easy_reader)
* [andylokandy/simsearch-rs](https://github.com/andylokandy/simsearch-rs) [[simsearch](https://crates.io/crates/simsearch)] — A simple and lightweight fuzzy search engine that works in memory, searching for similar strings
* [tantivy](https://github.com/quickwit-oss/tantivy) [[tantivy](https://crates.io/crates/tantivy)] — A horse-speed full-text search engine library written in Rust. [](https://github.com/quickwit-oss/tantivy/actions/workflows/test.yml)
* [bytecodealliance/wasmtime](https://github.com/bytecodealliance/wasmtime) — A standalone runtime for WebAssembly [](https://github.com/bytecodealliance/wasmtime/actions?query=workflow%3ACI)
* [chromium/chromiumos/platform/crosvm](https://chromium.googlesource.com/chromiumos/platform/crosvm/) CrOSVM — Enables Chrome OS to run Linux apps inside a fast, secure virtualized environment
* [unicorn-rs/unicorn-rs](https://github.com/unicorn-rs/unicorn-rs) — Rust bindings for the unicorn CPU emulator [](https://travis-ci.org/ekse/unicorn-rs)
* [cargo-web](https://crates.io/crates/cargo-web) — A Cargo subcommand for the client-side Web [](https://travis-ci.org/koute/cargo-web)
* [sauron](https://github.com/ivanceras/sauron) - Client side web framework which closely adheres to The Elm Architecture. [](https://travis-ci.org/ivanceras/sauron)
* [stdweb](https://crates.io/crates/stdweb) — A standard library for the client-side Web [](https://travis-ci.org/koute/stdweb)
* [async-graphql](https://github.com/async-graphql/async-graphql) - A GraphQL server library implemented in Rust [](https://dev.azure.com/graphql-rust/GraphQL%20Rust/_build/latest?definitionId=1)
* [DoumanAsh/yukikaze](https://gitlab.com/Douman/yukikaze) [[yukikaze](https://crates.io/crates/yukikaze)] — Beautiful and elegant Yukikaze is little HTTP client library based on hyper. [](https://gitlab.com/Douman/yukikaze)
* [actix/actix-web](https://github.com/actix/actix-web) — A lightweight async web framework for Rust with websocket support [](https://travis-ci.org/actix/actix-web)
* [branca](https://crates.io/crates/branca) — A Pure Rust implementation of Branca for Authenticated and Encrypted API tokens. [](https://travis-ci.org/return/branca)
* [carllerche/tower-web](https://github.com/carllerche/tower-web) [[tower-web](https://crates.io/crates/tower-web)] — A fast, boilerplate free, web framework for Rust [](https://travis-ci.org/carllerche/tower-web)
* [danclive/sincere](https://github.com/danclive/sincere) — A micro web framework for Rust(stable) based on hyper and multithreading. [](https://travis-ci.org/danclive/sincere)
* [GildedHonour/frank_jwt](https://github.com/GildedHonour/frank_jwt) — JSON Web Token implementation in Rust. [](https://travis-ci.org/GildedHonour/frank_jwt)
* [Gotham](https://github.com/gotham-rs/gotham) — A flexible web framework that does not sacrifice safety, security or speed. [](https://travis-ci.org/gotham-rs/gotham)
* [handlebars-rust](https://github.com/sunng87/handlebars-rust) — an Iron web framework middleware. [](https://travis-ci.org/sunng87/handlebars-iron)
* [Iron](https://github.com/iron/iron) — A middleware-based server framework [](https://travis-ci.org/GildedHonour/frank_jwt)
* [Juniper](https://github.com/graphql-rust/juniper) — GraphQL server library for Rust [](https://travis-ci.org/graphql-rust/juniper)
* [Nickel](https://github.com/nickel-org/nickel.rs/) — inspired by [Express](http://expressjs.com/) [](https://travis-ci.org/nickel-org/nickel.rs)
* [Ogeon/rustful](https://github.com/Ogeon/rustful) — A RESTful web framework for Rust [](https://travis-ci.org/Ogeon/rustful)
* [Rocket](https://github.com/SergioBenitez/Rocket) — Rocket is web framework for Rust (nightly) with a focus on ease-of-use, expressability, and speed [](https://travis-ci.org/SergioBenitez/Rocket)
* [Rustless](https://github.com/rustless/rustless) — A REST-like API micro-framework inspired by [Grape](https://github.com/ruby-grape/grape) and [Hyper](https://github.com/hyperium/hyper) [](https://travis-ci.org/rustless/rustless)
* [Salvo](https://github.com/salvo-rs/salvo) — an easy to use webframework base on hyper and tokio. [/badge.svg?branch=master&event=push)](https://github.com/salvo-rs/salvo/actions)
* [seanmonstar/warp](https://github.com/seanmonstar/warp) — A super-easy, composable, web server framework for warp speeds. [](https://crates.io/crates/warp)
* [tokio/axum](https://github.com/tokio-rs/axum) - Ergonomic and modular web framework built with Tokio, Tower, and Hyper [](https://github.com/tokio-rs/axum/actions/workflows/CI.yml)
* [tomaka/rouille](https://github.com/tomaka/rouille) — Web framework in Rust [](https://travis-ci.org/tomaka/rouille)
* [causal-agent/scraper](https://github.com/causal-agent/scraper) [[scraper](https://crates.io/crates/scraper)] - HTML parsing and querying with CSS selectors. [](https://github.com/causal-agent/scraper/actions)
* [homelyguy/dyer](https://github.com/HomelyGuy/dyer) [[dyer](https://crates.io/crates/dyer)] - dyer is designed for reliable, flexible and fast Request-Response based service, including data processing, web-crawling and so on, providing some friendly, flexible, comprehensive features without compromising speed.
* [osohq/oso](https://github.com/osohq/oso) [[oso](https://crates.io/crates/oso)] - A policy engine for authorization that's embedded in your application. [](https://github.com/osohq/oso/actions?query=branch%3Amain+workflow%3ADevelopment)
* [pwoolcoc/soup](https://gitlab.com/pwoolcoc/soup) [[soup](https://crates.io/crates/soup)] — A library similar to Python's BeautifulSoup, designed to enable quick and easy manipulation and querying of HTML documents. [](https://gitlab.com/pwoolcoc/soup/badges/master/pipeline.svg)
* [utkarshkukreti/select.rs](https://github.com/utkarshkukreti/select.rs) [[select](https://crates.io/crates/select)] — A library to extract useful data from HTML documents, suitable for web scraping. [](https://travis-ci.org/utkarshkukreti/select.rs)
* [cobalt-org/cobalt.rs](https://github.com/cobalt-org/cobalt.rs) — Static site generator written in Rust [](https://dev.azure.com/cobalt-org/cobalt-org/_build?definitionId=2)
* [FuGangqiang/mdblog.rs](https://github.com/FuGangqiang/mdblog.rs) [[mdblog](https://crates.io/crates/mdblog)] — Static site generator from markdown files.
* [getzola/zola](https://github.com/getzola/zola) [[zola](https://www.getzola.org/)] — An opinionated static site generator with everything built-in. [](https://dev.azure.com/getzola/zola/_build)
* [rust-websocket](https://github.com/websockets-rs/rust-websocket) — A framework for dealing with WebSocket connections (both clients and servers) [](https://travis-ci.org/websockets-rs/rust-websocket)
* [snapview/tungstenite-rs](https://github.com/snapview/tungstenite-rs) — Lightweight stream-based WebSocket implementation for Rust.
* [vi/websocat](https://github.com/vi/websocat) — CLI for interacting with WebSockets, with functionality of Netcat, Curl and Socat. [](https://travis-ci.org/vi/websocat)
* [vityafx/urlshortener-rs](https://github.com/vityafx/urlshortener-rs) — A very simple urlshortener library for Rust. [](https://github.com/vityafx/urlshortener-rs/actions/workflows/ci.yml) [](https://crates.io/crates/urlshortener)
* [Cloudsmith :heavy_dollar_sign:](https://cloudsmith.com/cargo-registry/) — A fully managed package management SaaS, with first-class support for public and private Cargo/Rust registries (plus many others). Has a generous free-tier and is also completely free for open-source.
* [TeXitoi/benchmarksgame-rs](https://github.com/TeXitoi/benchmarksgame-rs) — Rust implementations for the [The Computer Language Benchmarks Game](https://benchmarksgame-team.pages.debian.net/benchmarksgame/) [](https://travis-ci.org/TeXitoi/benchmarksgame-rs)
* [Learning systems programming with Rust](https://speakerdeck.com/jvns/learning-systems-programming-with-rust) — Presented by [Julia Evans](https://twitter.com/@b0rk) @ Rustconf 2016.
* [awesome-rust-mentors](https://rustbeginners.github.io/awesome-rust-mentors/) — A list of helpful Rust mentors willing to take mentees and eductate them about Rust and programming.
* [Hands-on Rust](https://pragprog.com/titles/hwrust/hands-on-rust/) - A hands-on guide to learning Rust by making games - by [Herbert Wolverson](https://github.com/thebracket/) (paid)
* [Learning Rust With Entirely Too Many Linked Lists](https://rust-unofficial.github.io/too-many-lists/) — in-depth exploration of Rust's memory management rules, through implementing a few different types of list structures.
* [Programming Community Curated Resources for Learning Rust](https://hackr.io/tutorials/learn-rust) — A list of recommended resources voted by the programming community.
* [Rust Cookbook](https://rust-lang-nursery.github.io/rust-cookbook/) — A collection of simple examples that demonstrate good practices to accomplish common programming tasks, using the crates of the Rust ecosystem.
* [Rust in Action](https://www.manning.com/books/rust-in-action) — A hands-on guide to systems programming with Rust by [Tim McNamara](https://github.com/timClicks) (paid)
* [Rust in Motion](https://www.manning.com/livevideo/rust-in-motion?a_aid=cnichols&a_bid=6a993c2e) — A video series by [Carol Nichols](https://github.com/carols10cents) and [Jake Goulding](https://github.com/shepmaster) (paid)
* [rust-how-do-i-start](https://github.com/jondot/rust-how-do-i-start) - A repo dedicated to answering the question: "So, Rust. How do I _start_?". A beginner only hand-picked resources and learning track.
* [Rusty CS](https://github.com/AbdesamedBendjeddou/Rusty-CS) - A Computer Science Curriculum that helps practice the acquired academic knowledge in Rust
* [Take your first steps with Rust](https://docs.microsoft.com/en-us/learn/paths/rust-first-steps/) - Lay the foundation of knowledge you need to build fast and effective programs in Rust.
* [Rust Servers, Services and Apps - MEAP](https://www.manning.com/books/rust-servers-services-and-apps) - Build backend servers, services, and front-ends in Rust to get fast, reliable, and maintainable applications.
* [RustViz](https://github.com/rustviz/rustviz) — generates visualizations from simple Rust programs to assist users in better understanding the Rust Lifetime and Borrowing mechanism.
