Master programming by recreating your favorite technologies from scratch.

📚 Freely available programming books

A collective list of free APIs

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

🎓 Path to a free self-taught education in Computer Science!

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

An Open Source Machine Learning Framework for Everyone

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

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

The React Framework

🦜🔗 The platform for reliable agents.

Production-ready platform for agentic workflow development.

Node.js JavaScript runtime ✨🐢🚀✨

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

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

21 Lessons, Get Started Building with Generative AI

Deliver web apps with confidence 🚀

An enterprise-class UI design language and React UI library

JavaScript API for Chrome and Firefox

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

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

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

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

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

Models and examples built with TensorFlow

The fastest path to AI-powered full stack observability, even for lean teams.