An extremely fast Python linter and code formatter, written in Rust.

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Official SoundCloud Javascript SDK

A fast, friendly, functional language.

JavaScript API for Chrome and Firefox

Build cross-platform desktop apps with JavaScript, HTML, and CSS

Model-rocketry aerodynamics and trajectory simulation software

A docker-powered PaaS that helps you build and manage the lifecycle of applications

The React Framework

Collection of evals for Inspect AI

A Flash Player emulator written in Rust

React data visualization library for streaming, networks, and AI-assisted development

State machines, statecharts, and actors for complex logic

Visual testing tool for MCP servers

Emscripten: An LLVM-to-WebAssembly Compiler

LLM inference in C/C++

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

The JavaScript and API powered WordPress.com

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

WebGL2 powered visualization framework

Independent technology for modern publishing, memberships, subscriptions and newsletters.

a structural diff that understands syntax 🟥🟩

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

An extremely fast Python package and project manager, written in Rust.

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

R Package for 2D and 3D mapping and data visualization

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

🍕 Peer-to-peer file transfers in your browser

PDF Reader in JavaScript

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.