Learning GitHub Repositories (2026) · Open Source Tools

Build a system, load it until it breaks, and watch why. A system design simulator for learning distributed systems.

Building 70 Projects ranging from beginner to advanced so anyone can — learn from, build upon, use as a reference, or even copy directly. Owned by my cybersecurity company 👇

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

A free, online learning platform to make quality education accessible for all.

Easy to Use, 100% Open Source Learning Management System

Internet-in-a-Box - Build your own LIBRARY OF ALEXANDRIA with a Raspberry Pi !

An open-source, local-first AI learning workbench

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

Walk through a diff the way a senior engineer reads it. A read-only TUI that turns a git change into a guided tour.

An open-source activism platform

An approachable incremental reading app.

Are you a beginner eager to enhance your React JS skills? Look no further! This repository is the perfect platform for you to dive into the world of React development and contribute to open source during Hacktoberfest. @Hacktoberfest @ReactJS

ClassroomIO is an Intelligent Customer Training Platform that helps SaaS companies use education to grow their business.

Artemis - Interactive Learning with Automated Feedback

🔥 PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, and more through a simple, easy-to-use interface on your desktop.

Git repository for Robocode Tank Royale

A free online & offline learning platform to make quality education accessible for all.

🤪 A list of funny and tricky JavaScript examples

Scribe-Android: Keyboards for language learners & Conjugate-Android: Wikidata based verb conjugation app

A free, open-source platform for Japanese immersion learners. Jiten offers detailed statistics for thousands of Japanese media such as character count and difficulty, pre-built anki decks, vocabulary lists, frequency lists, user coverage, and more.