Repository Index

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

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

📚 A curated list of awesome articles, videos, and other resources to learn and practice software architecture, patterns, and principles.

• architecture
• ddd
• ddd-architecture
• system-design

词光 · Word Atlas — Illustrated IELTS vocabulary with 7,298 words, UK/US audio and FSRS review. Open-source app + CC BY 4.0 dataset.

• chinese
• dataset
• english-learning
• flashcards

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

• canvas
• distributed-systems
• education
• learning

Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.

• playwright
• end-to-end-testing
• ai-testing
• ai-agents

An open-source activism platform

• activism
• django
• social-network
• open-source

The ESP32-S3 bench guide as a React app: live pinout, lessons with interactive simulators, a code reader for the esp-labs firmware, and the bench log. In 11 languages.

• education
• electronics
• embedded
• esp32

The universe in numbers. Free, open-source calculators for everything countable.

• astro
• bun
• calculator
• calculators

MiAiCoding - 陪伴型编程学习桌面端。A cute programming learning desktop app powered by Electron & Vue.

Pixano Elements - Re-usable web components dedicated to data annotation tasks.

• computer-vision
• annotation-tool
• deep-learning
• web-components