Master programming by recreating your favorite technologies from scratch.

A collective list of free APIs

📚 Freely available programming books

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

The library for web and native user interfaces.

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

An Open Source Machine Learning Framework for Everyone

A collection of useful .gitignore templates

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

The React Framework

Curated coding interview preparation materials for busy software engineers

Production-ready platform for agentic workflow development.

An agentic skills framework & software development methodology that works.

A framework for building native applications using React

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

JavaScript 3D Library.

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Public repository for Agent Skills

Godot Engine – Multi-platform 2D and 3D game engine

21 Lessons, Get Started Building with Generative AI

An open-source AI agent that brings the power of Gemini directly into your terminal.

A utility-first CSS framework for rapid UI development.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

Open Source Computer Vision Library

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

💫 Toolkit to help you get started with Spec-Driven Development

A fancy self-hosted monitoring tool

🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.