A list of programming tutorials in which learners build an application from scratch. These tutorials are divided into different primary programming languages. Some have intermixed technologies and languages.
- [Tetris Tutorial in C++ Platform Independent](http://javilop.com/gamedev/tetris-tutorial-in-c-platform-independent-focused-in-game-logic-for-beginners/)
- [Learn C# By Building a Simple RPG Game](http://scottlilly.com/learn-c-by-building-a-simple-rpg-index/)
- [Create a Rogue-like game in C#](https://roguesharp.wordpress.com/)
- [Create a Blank App with C# and Xamarin (work in progress)](https://www.intertech.com/Blog/xamarin-tutorial-part-1-create-a-blank-app/)
- [Build iOS Photo Library App with Xamarin and Visual Studio](https://www.raywenderlich.com/134049/building-ios-apps-with-xamarin-and-visual-studio)
- [Building the CoreWiki](https://www.youtube.com/playlist?list=PLVMqA0_8O85yC78I4Xj7z48ES48IQBa7p) This is a Wiki-style content management system that has been completely written in C# with ASP.NET Core and Razor Pages. You can find the source code [here](https://github.com/csharpfritz/CoreWiki).
- [Build a Twitter Bot with Clojure](http://howistart.org/posts/clojure/1/index.html)
- [Bulding a Spell-Checker](https://bernhardwenzel.com/articles/clojure-spellchecker/)
- [Building a JIRA integration with Clojure & Atlassian Connect](https://hackernoon.com/building-a-jira-integration-with-clojure-atlassian-connect-506ebd112807)
- [ChatBus : build your first multi-user chat room app with Erlang/OTP](https://medium.com/@kansi/chatbus-build-your-first-multi-user-chat-room-app-with-erlang-otp-b55f72064901)
- [Making a Chat App with Erlang, Rebar, Cowboy and Bullet](http://marianoguerra.org/posts/making-a-chat-app-with-erlang-rebar-cowboy-and-bullet.html)
- [Create a Trello Clone](http://codeloveandboards.com/blog/2016/01/04/trello-tribute-with-phoenix-and-react-pt-1/)
- [Create a Character Voting App with React, Node, MongoDB and SocketIO](http://sahatyalkabov.com/create-a-character-voting-app-using-react-nodejs-mongodb-and-socketio/)
- [Build a Full Stack Movie Voting App with Test-First Development using Mocha, React, Redux and Immutable](https://teropa.info/blog/2015/09/10/full-stack-redux-tutorial.html)
- [Build a Twitter Stream with React and Node](https://scotch.io/tutorials/build-a-real-time-twitter-stream-with-node-and-react-js)
- Build a Serverless MERN Story App with Webtask.io
- [Build Responsive layout with BootStrap 4 and Angular 6](https://medium.com/@tomastrajan/how-to-build-responsive-layouts-with-bootstrap-4-and-angular-6-cfbb108d797b)
- ToDo App with Angular 5
- [Introduction to Angular](http://www.discoversdk.com/blog/intro-to-angular-and-the-evolution-of-the-web)
- [Build A Simple Website With Node,Express and MongoDB](https://closebrace.com/tutorials/2017-03-02/the-dead-simple-step-by-step-guide-for-front-end-developers-to-getting-up-and-running-with-nodejs-express-and-mongodb)
- [Build a real-time Markdown Editor with NodeJS](https://scotch.io/tutorials/building-a-real-time-markdown-viewer)
- [Test-Driven Development with Node, Postgres and Knex](http://mherman.org/blog/2016/04/28/test-driven-development-with-node/)
- [Vue 2 + Firebase: How to build a Vue app with Firebase authentication system in 15 minutes](https://medium.com/@anas.mammeri/vue-2-firebase-how-to-build-a-vue-app-with-firebase-authentication-system-in-15-minutes-fdce6f289c3c)
- [Vue.js Application Tutorial – Creating a Simple Budgeting App with Vue](https://matthiashager.com/complete-vuejs-application-tutorial/)
- [Build a Blog with Vue, GraphQL and Apollo](https://scotch.io/tutorials/build-a-blog-with-vue-graphql-and-apollo-client)
- Build a full stack web application using MEVN (MongoDB, Express, Vue, Node) stack
- (Build A Desktop Chat App with React and Electron)[https://medium.freecodecamp.org/build-a-desktop-chat-app-with-react-electron-and-chatkit-744d168e6f2f]
- [How to Build a Web Framework in Less Than 20 Lines of Code](https://www.pubnub.com/blog/build-yourself-a-web-framework-in-less-than-20-lines-of-code/)
- [Build Yourself a Redux](https://zapier.com/engineering/how-to-build-redux/)
- [How to write your own Virtual DOM](https://medium.com/@deathmood/how-to-write-your-own-virtual-dom-ee74acc13060)
- [Build A Realtime Serverless GraphQL API with WebSockets on AWS](https://andrewgriffithsonline.com/blog/serverless-websockets-on-aws/)
- [Keddit - Learn Kotlin While Developing an Android Application](https://medium.com/@juanchosaravia/learn-kotlin-while-developing-an-android-app-introduction-567e21ff9664)
- [Mining Twitter Data with Python](https://marcobonzanini.com/2015/03/02/mining-twitter-data-with-python-part-1/)
- [Scrape a Website with Scrapy and MongoDB](https://realpython.com/blog/python/web-scraping-with-scrapy-and-mongodb/)
- [How To Scrape With Python and Selenium WebDriver](http://www.byperth.com/2018/04/25/guide-web-scraping-101-what-you-need-to-know-and-how-to-scrape-with-python-selenium-webdriver/)
- [Which Movie Should I Watch using BeautifulSoup](https://medium.com/@nishantsahoo.in/which-movie-should-i-watch-5c83a3c0f5b1)
- [Write Linear Regression From Scratch in Python](https://www.youtube.com/watch?v=uwwWVAgJBcM) (video)
- [Step-By-Step Machine Learning In Python](https://machinelearningmastery.com/machine-learning-in-python-step-by-step/)
- [Predict Quality Of Wine](https://medium.freecodecamp.org/using-machine-learning-to-predict-the-quality-of-wines-9e2e13d7480d)
- [Solving A Fruits Classification Problem](https://towardsdatascience.com/solving-a-simple-classification-problem-with-python-fruits-lovers-edition-d20ab6b071d2)
- [Learn Unsupervised Learning with Python](https://towardsdatascience.com/unsupervised-learning-with-python-173c51dc7f03)
- [Build Your Own Neural Net from Scratch in Python](https://towardsdatascience.com/how-to-build-your-own-neural-network-from-scratch-in-python-68998a08e4f6)
- [Linear Regression in Python without sklearn](https://medium.com/we-are-orb/linear-regression-in-python-without-scikit-learn-50aef4b8d122)
- [Multivariate Linear Regression without sklearn](https://medium.com/we-are-orb/multivariate-linear-regression-in-python-without-scikit-learn-7091b1d45905)
- [Build A Document Scanner](https://www.pyimagesearch.com/2014/09/01/build-kick-ass-mobile-document-scanner-just-5-minutes/)
- [Build A Face Detector using OpenCV and Deep Learning](https://www.pyimagesearch.com/2018/02/26/face-detection-with-opencv-and-deep-learning/)
- [Build a Face Recognition System using OpenCV, Python and Deep Learning](https://www.pyimagesearch.com/2018/06/18/face-recognition-with-opencv-python-and-deep-learning/)
- [Detect The Salient Features in an Image](https://www.pyimagesearch.com/2018/07/16/opencv-saliency-detection/)
- [Build A Barcode Scanner](https://www.pyimagesearch.com/2018/05/21/an-opencv-barcode-and-qr-code-scanner-with-zbar/)
- [Learn Face Clustering with Python](https://www.pyimagesearch.com/2018/07/09/face-clustering-with-python/)
- [Object Tracking with Camshift](https://www.pyimagesearch.com/wp-content/uploads/2014/11/opencv_crash_course_camshift.pdf)
- [Semantic Segmentation with OpenCV and Deep Learning](https://www.pyimagesearch.com/2018/09/03/semantic-segmentation-with-opencv-and-deep-learning/)
- [Text Detection in Images and Videos](https://www.pyimagesearch.com/2018/08/20/opencv-text-detection-east-text-detector/)
- [People Counter using OpenCV](https://www.pyimagesearch.com/2018/08/13/opencv-people-counter/)
- [Tracking Multiple Objects with OpenCV](https://www.pyimagesearch.com/2018/08/06/tracking-multiple-objects-with-opencv/)
- [Neural Style Transfer with OpenCV](https://www.pyimagesearch.com/2018/08/27/neural-style-transfer-with-opencv/)
- [OpenCV OCR and Text Recognition](https://www.pyimagesearch.com/2018/09/17/opencv-ocr-and-text-recognition-with-tesseract/)
- [Object Detection using Mask-R-CNN](https://www.learnopencv.com/deep-learning-based-object-detection-and-instance-segmentation-using-mask-r-cnn-in-opencv-python-c/)
- [Using Convolutional Neural Nets to Detect Facial Keypoints](http://danielnouri.org/notes/2014/12/17/using-convolutional-neural-nets-to-detect-facial-keypoints-tutorial/)
- [Generate an Average Face using Python and OpenCV](https://www.learnopencv.com/average-face-opencv-c-python-tutorial/)
- [Break A Captcha System using CNNs](https://medium.com/@ageitgey/how-to-break-a-captcha-system-in-15-minutes-with-machine-learning-dbebb035a710)
- [Use pre-trained Inception model to provide image predictions](https://medium.com/google-cloud/keras-inception-v3-on-google-compute-engine-a54918b0058)
- [Create your first CNN](https://hackernoon.com/deep-learning-cnns-in-tensorflow-with-gpus-cba6efe0acc2)
- [Build A Facial Recognition Pipeline](https://hackernoon.com/building-a-facial-recognition-pipeline-with-deep-learning-in-tensorflow-66e7645015b8)
- [Build An Image Caption Generator](https://medium.freecodecamp.org/building-an-image-caption-generator-with-deep-learning-in-tensorflow-a142722e9b1f)
- [Make your Own Face Recognition System](https://medium.freecodecamp.org/making-your-own-face-recognition-system-29a8e728107c)
- [Train a Language Detection AI in 20 minutes](https://towardsdatascience.com/how-i-trained-a-language-detection-ai-in-20-minutes-with-a-97-accuracy-fdeca0fb7724)
- [Object Detection With Neural Networks](https://towardsdatascience.com/object-detection-with-neural-networks-a4e2c46b4491)
- Learn Twitter Sentiment Analysis -
- [Part I - Data Cleaning](https://towardsdatascience.com/another-twitter-sentiment-analysis-bb5b01ebad90)
- [Part II - EDA, Data Visualisation](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-2-333514854913)
- [Part III - Zipf's Law, Data Visualisation](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-3-zipfs-law-data-visualisation-fc9eadda71e7)
- [Part IV - Feature Extraction(count vectoriser)](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-4-count-vectorizer-b3f4944e51b5)
- [Part V - Feature Extraction(Tfidf vectoriser)](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-5-50b4e87d9bdd)
- [Part VI - Doc2Vec](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-6-doc2vec-603f11832504)
- [Part VII - Phrase Modeling + Doc2Vec](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-7-phrase-modeling-doc2vec-592a8a996867)
- [Part VIII - Dimensionality Reduction](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-8-dimensionality-reduction-chi2-pca-c6d06fb3fcf3)
- [Part IX - Neural Nets with Tfdif vectors](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-9-neural-networks-with-tfidf-vectors-using-d0b4af6be6d7)
- [Part X - Neural Nets with word2vec/doc2vec](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-10-neural-network-with-a6441269aa3c)
- [Part XI - CNN with Word2Vec](https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-11-cnn-word2vec-41f5e28eda74)
- [Use Transfer Learning for custom image classification](https://becominghuman.ai/transfer-learning-retraining-inception-v3-for-custom-image-classification-2820f653c557)
- [Learn to Code a simple Neural Network in 11 lines of Python](https://iamtrask.github.io/2015/07/12/basic-python-network/)
- [Build a Neural Network using Gradient Descent Approach](https://iamtrask.github.io/2015/07/27/python-network-part2/)
- [Train a Keras Model To Generate Colors](https://heartbeat.fritz.ai/how-to-train-a-keras-model-to-generate-colors-3bc79e54971b)
- [Get Started with Keras on a Custom Dataset](https://www.pyimagesearch.com/2018/09/10/keras-tutorial-how-to-get-started-with-keras-deep-learning-and-python/)
- [Use EigenFaces and FisherFaces on Faces94 dataset](https://nicholastsmith.wordpress.com/2016/02/18/eigenfaces-versus-fisherfaces-on-the-faces94-database-with-scikit-learn/)
- [Deep Learning and Medical Image Analysis for Malaria Detection](https://www.pyimagesearch.com/2018/12/03/deep-learning-and-medical-image-analysis-with-keras/)
- [Build a Simple Interpreter](https://ruslanspivak.com/lsbasi-part1/)
- [Build a Simple Blockchain in Python](https://hackernoon.com/learn-blockchains-by-building-one-117428612f46)
- [Write a NoSQL Database in Python](https://jeffknupp.com/blog/2014/09/01/what-is-a-nosql-database-learn-by-writing-one-in-python/)
- [Building a Gas Pump Scanner with OpenCV/Python/iOS](https://hackernoon.com/building-a-gas-pump-scanner-with-opencv-python-ios-116fe6c9ae8b)
- [Build a Distributed Streaming System with Python and Kafka](https://scotch.io/tutorials/build-a-distributed-streaming-system-with-apache-kafka-and-python)
- [Writing a basic x86-64 JIT compiler from scratch in stock Python](https://csl.name/post/python-jit/)
- [Create a Real Time Chat App with Golang, Angular 2, and WebSocket](https://www.thepolyglotdeveloper.com/2016/12/create-real-time-chat-app-golang-angular-2-websockets/)
- [Building Go Web Applications and Microservices Using Gin](https://semaphoreci.com/community/tutorials/building-go-web-applications-and-microservices-using-gin)
- [How to Use Godog for Behavior-driven Development in Go et started with Godog](https://semaphoreci.com/community/tutorials/how-to-use-godog-for-behavior-driven-development-in-go)
- [The Ruby on Rails Tutorial](https://www.railstutorial.org/book)
- [Build Instagram From Scratch with Ruby on Rails](https://www.dropbox.com/s/9vq430e9s3q7pu8/Let%27s%20Build%20Instagram%20with%20Ruby%20on%20Rails%20-%20Free%20Edition.pdf?dl=0)
- [Build a Social Network using Rails](https://medium.com/rails-ember-beyond/how-to-build-a-social-network-using-rails-eb31da569233)
