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

Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message…

The Bluesky Social application for Web, iOS, and Android

shadcn/ui, but for Svelte. ✨

Connect, collaborate, and grow with a community of TypeScript developers

A TypeScript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection

Strongly typed string functions

The Ultimate Chess Toolkit

📓 A curated collection of free public Computer Science classes from colleges across America

♻️ The best way to reuse your code.

precomputed virtual dom

Confetti in Svelte

The Ultimate Chess Toolkit – a modern, open-source, cross-platform GUI to analyze games, train repertoires, and manage engines and databases.

A TypeScript RPC protocol for multiple environments (iframe, web worker, stdio, http, WebSocket)

(Experimental) Typst language support for CodeMirror editor