Index

• Ada
• Android
• Bash
• C
• C#
• C++
• Clojure
• Cloud Computing
• CoffeeScript
• Dart
• Data Science
• Erlang
• Git
• GLSL
• Go
• Haskell
• HTML / CSS
  • Bootstrap
• Java
• JavaScript
  • AngularJS
  • jQuery
  • React
  • Redux
• Kotlin
• Language Agnostic
  • Operating Systems
• LaTeX
• Lisp
• MATLAB
• Node
• NoSQL
• Objective-C
• Ocaml
• PHP
• PostgreSQL
• Python
• R
• Regular Expressions
• Ruby
• Rust
• Scala
• Selenium
• Solidity
• SQL
• Vim

Ada

• Introduction to Ada - Adacore

Android

• Android Tutorial - tutlane
• Javatpoint Android Tutorial - javaTpoint

Bash

• Help messages will explain everything - explainshell
• Learn Shell Programming - learnshell

C

• Learn C - Learn-C

C#

• C# Tutorial - tutlane
• C# Tutorial - W3Schools
• Codeasy - codeasy
• Learn C# - learnCS
• Learn C# - Codecademy

C++

• C++ Tutorial - W3Schools
• CppKoans

Clojure

• 4Clojure - Koans
• Clojure Koans - Clojure Koans
• ClojureScript Koans
• Try Clojure

Cloud Computing

• AWS API Gateway - registration required
• AWS Identity and Access Management (IAM) - registration required
• AWS Lambda - registration required
• AWS Simple Storage Service (S3) - registration required
• Google Cloud Platform

CoffeeScript

• Coffeescript Style Guide
• Smooth CoffeeScript, Interactive Edition

Dart

• Dart Official Codelabs - Dart

Data Science

• Data Science Foundations - IBM SkillBuild (email address required)
• Essential Linear Algebra for Data Science and Machine Learning -KDnuggets
• Top 10 Data Science Projects for Beginners - KDnuggets

Erlang

• Try Erlang

Git

• git-game
• git-game-v2
• Git Tutorial - W3Schools
• Githug (Tutorial in shell)
• Learn Git Branching
• Learn Git with Bitbucket Cloud
• Try Git
• Visualizing Git Concepts with D3 - Wei Wang

GLSL

• The Book of Shaders

Go

• Go Koans
• Go Tutorial - W3Schools
• Learn Go - Google, Robert Griesemer, Rob Pike, and Ken Thompson (Codecademy) (account required)
• Start using Go - Microsoft
• The Go Tutorial

Haskell

• Try Haskell!

HTML / CSS

• CSS Diner
• CSS Speedrun | Test your CSS Skills - Vincent Will (HTML)
• CSS Tutorial - W3Schools
• Flex Box Adventure - Nick Bull
• Flexbox Defense
• Flexbox Froggy
• Grid Attack - Nick Bull
• Grid Garden
• HTML Tutorial - W3Schools
• Knights of the Flexbox Table
• Learn by doing beginner projects
• Learn CSS: an evergreen CSS course and reference to level up your styling expertise - Andy Bell, Rachel Andrew, Una Kravets, Adam Argyle, Rob Dodson, Jiwoong Lee et al. (web.dev)
• Learn HTML & CSS interactively
• Prototyping a professional website
• Responsive Web Design Certification - freeCodeCamp

Bootstrap

• Bootstrap 5 Tutorial - W3Schools
• Bootstrap Tutorial - tutlane
• Front End Development Libraries Certification: Bootstrap - freeCodeCamp

Java

• CodingBat code practice
• Java at Codecademy
• Java Tutorial - W3Schools
• Learn Java
• Learneroo Java tutorial

JavaScript

• ABC of JavaScript : An Interactive JavaScript Tutorial
• Codecademy jquery track
• ES6 Interactive Guide
• Functional Programming in Javascript
• JavaScript Algorithms and Data Structures Certification - freeCodeCamp
• Javascript interactive tutorial on CodeCademy
• JavaScript interactive tutorial on CoderMania
• JavaScript Tutorial - W3Schools
• Javascripting
• Learn JavaScript
• Learn knockout.js
• Learn to Code for Free – Grasshopper
• Learning Advanced JavaScript
• Try jQuery

AngularJS

• AngularJS - Step by Logical Step - Nicholas Johnson
• AngularJS Basics - Chris Smith
• AngularJS Tutorial - tutlane
• AngularJS Tutorial - W3Schools
• egghead.io: Learn AngularJS with Tutorial Videos & Training
• Learn AngularJS with free interactive lessons

jQuery

• Front End Development Libraries Certification: jQuery - freeCodeCamp
• jQuery Tutorial - W3Schools

React

• Front End Development Libraries Certification: React - freeCodeCamp
• React Tutorial
• React Tutorial - W3Schools

Redux

• Front End Development Libraries: Redux - freeCodeCamp

Kotlin

• Kotlin tutorial
• Kotlin Tutorial - W3Schools
• Learn Kotlin - Galina Podstrechnaya, Alex DiStasi (Codecademy) (account required)

Language Agnostic

• CodeCombat - Python, JavaScript, CoffeeScript, Clojure, Lua, Io
• Codility
• Introduction to the Coding Interview Prep Algorithms (freeCodeCamp)
• Python Tutor - Python, Java, JavaScript, TypeScript, Ruby, C, C++
• The Fullstack Tutorial for GraphQL

Operating systems

• Learning operating system development using Linux kernel and Raspberry Pi - Sergey Matyukevich ( in process)
• Project eXpOS: eXperimental Operating System - Dr. Murali Krishnan K., Department of Computer Science and Engineering of the Calicut National Institute of Technology (HTML)

LaTeX

• Learn LaTeX in 30 minutes

Lisp

• Lisp Koans

MATLAB

• Interactive Tutorials for MATLAB, Simulink, Signal Processing, Controls, and Computational Mathematics

Node

• Node School
• Node.js Tutorial - tutlane
• Node.js Tutorial - W3Schools

NoSQL

• MongoDB Koans
• Try Redis

Objective-C

• Try Objective-C

Ocaml

• Try Ocaml

PHP

• CodeCademy PHP
• Learn PHP
• PHP tutorial - W3Schools

PostgreSQL

• PostgreSQL Tutorial

Python

• Codecademy Python course
• Data Analysis with Python Certification - freeCodeCamp
• futurecoder - Alex Hall
• How to Think Like a Computer Scientist: Learning with Python, Interactive Edition
• Learn Python
• Learn Python Step by Step
• Python for Everybody - Interactive - Barbara Ericson
• Python Koans
• Python Pandas Tutorial: A Complete Introduction for Beginners - George McIntire, Brendan Martin, Lauren Washington
• Python Programming Language - GeeksforGeeks
• Python Tutorial - tutlane
• Python Tutorial - W3Schools
• Scientific Computing with Python Certification - freeCodeCamp

R

• Learn R - Codecademy (account required)
• R Tutorial - W3Schools

Regular Expressions

• Regex Crossword - Ole Michelsen, Maria Hagsten Michelsen
• RegExp Playground - Lea Verou

Ruby

• CodeCademy Ruby
• Ruby Koans
• The Odin Project
• Try Ruby

Rust

• Rust Quiz
• Rustlings

Scala

• A Tour of Scala - an interactive scala tutorial
• Scala Exercises

Selenium

• Selenium Tutorial - Web Automation

Solidity

• CryptoZombies.io - Loom Network

SQL

• Intro to SQL: Querying and managing data - Khan Academy
• SQL at Codecademy
• SQL Server Tutorial - tutlane
• SQL Teaching
• SQL Tutorial - W3Schools
• SQLBolt

Vim

• Interactive Vim Tutorial