Core libraries and experimental work for Effect v4

Build production-ready applications in TypeScript

A crazy fast HTTP router

Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

Fractional indexing in JavaScript with random jitter for collision avoidance

Can LLMs Predict Their Own Failures? Self-Awareness via Internal Circuits

Collection of datasets used for Optical Music Recognition

Optical Music Recognition pipeline for transcribing handwritten sheet music into ABC notation using Vision Language Models.

pierre’s open source code

Sharp Monocular View Synthesis in Less Than a Second

Friends don't let friends make certain types of data visualization - What are they and why are they bad.

Agents that use the browser.

Entity Component System (ECS) implementation in TypeScript, extensible, working with any renderer, type safe and composable 🕹️

A collection of WebGPU examples for undergraduate computer graphics courses.

Visual Studio Code

An extensible and keyboard-focused web browser

A small, fast, JavaScript-based JavaScript parser

Node.js dependency tracing utility

Build beautiful and reliable LLM apps on iOS and MacOS

Matrix QA Test Runner is a cutting-edge, AI-powered testing platform designed to revolutionize quality assurance and security testing workflows.

A collection of production-ready Effect utilities and integrations.

A modern version of Monaco Editor.

Vibetest MCP - automated QA testing using Browser-Use agents

⚙️ Create and run workflows (RPA 2.0)

🩹Pure CDP but type-safe in Python

🦛 CHONK docs with Chonkie ✨ — The lightweight ingestion library for fast, efficient and robust RAG pipelines

🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

Collection of patches for puppeteer and playwright to avoid automation detection and leaks. Helps to avoid Cloudflare and DataDome CAPTCHA pages. Easy to patch/unpatch, can be enabled/disabled on d…