A community-maintained Python framework for creating mathematical animations.

Animation engine for explanatory math videos

Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

🎥 Make videos programmatically with React

Light, fluffy, and always free - The AWS Local Emulator alternative

The Programming Language for Agents

The agent that grows with you

Scan and fix React performance issues

Learn it. Build it. Ship it for others.

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

Simple, easy-to-use database manager

Skills for Real Engineers. Straight from my .agents directory.

Task management that lives in your repo

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

🌟 The Multi-Agent Framework: First AI Software Company, Towards Natural Language Programming

Mastra is the modern TypeScript framework for AI-powered applications and agents.

Create and share 3D architectural projects.

You like pytorch? You like micrograd? You love tinygrad! ❤️

Browse. Edit. Ship. – Glass unifies your browser, and development environment into one app.

A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

Fast, accurate & comprehensive text measurement & layout

An agent-managed museum exhibit, built in Rust with Gajae-Code / LazyCodex — developed and maintained with no human intervention.

Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For shipping AI assistants and multi-agent AI workflows.

AI agents running research on single-GPU nanochat training automatically

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Universal memory layer for AI Agents

Give your localhost a local or public URL

A fast yet powerful Python Markdown parser with renderers and plugins.

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

Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more