Repository Index

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

• learn-to-code
• nonprofits
• programming
• nodejs

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

• deep-learning
• prompt-engineering
• openai
• chatgpt

FCC China open source codebase and curriculum. Learn to code and help nonprofits.

• freecodecamp
• cn-freecodecamp
• nodejs
• education

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

• csharp
• java
• javascript
• mcp

Source code for Hacker101.com - a free online web and mobile security class.

• education
• hacking
• security
• hackerone

Source Code for Sigma Web Development Course

open source training courses about distributed database and distributed systems

• distributed-systems
• rust
• golang
• talent-plan

Learn to Code While Building Apps - The Complete Flutter Development Bootcamp

Claude Code guide in three levels, Beginner to Advanced: hands-on lessons with checked exercises, every volatile fact cited to its source. Independent community guide.

• agent-skills
• agentic-coding
• ai-agents
• anthropic

Central repository for tools, tutorials, resources, and documentation for robotics simulation in Unity.

• robot-simulation
• ros
• urdf
• unity

Official SGLang x Datawhale course on LLM inference: understand inference, build a mini-sglang from scratch, then read the real SGLang source and land your first PR. Available in English and Chinese.

• infra
• llm
• sglang
• cuda

TranslatedFree interactive 3D science lessons for high school · 铜匠实验室 (Tongjiang Lab, "Coppersmith Laboratory") · https://lab.tongjiang.app

• 3d
• biology
• chemistry
• education

Learn cloud security by building it! An open-source homelab teaching Zero Trust, DevSecOps, IaC, and cloud architecture from the ground up.

• aws
• azure
• cloud-computing
• cloud-security

open source software construction course

Resources for the Magento 2 Certified Professional Front End Developer exam