🏛️ Super fast JSX runtime to generate HTML strings that works everywhere. If it supports string we got you covered.

Secure & isolated JS environments for nodejs

Fast and embeddable HTTP/1.1 parser

Embed tweets in your React application.

Research in Web Performance

WHATWG-compliant and fast URL parser written in modern C++

easy webperf trace sharing

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension. Part of Node.js and Bun.

The JavaScript / Wasm runtime that powers Cloudflare Workers

Master programming by recreating your favorite technologies from scratch.

A hobby runtime for JavaScript and TypeScript 🚀

Toy browser on single process / thread

recoil-sync stores for Next.js

If you're new to DDD and not sure where to start, this process will guide you step-by-step

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

✍️ AI powered documentation writer

Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

Stream API like Java implemented in Go

A tool for finding memory leaks in web apps

A tiny JavaScript runtime

A proposal for a cookie attribute to partition cross-site cookies by top-level site

An example implementation of a tiny Web browser for educational purposes.

Interactively Visualizing Ownership and Borrowing for Rust

List of APIs that will be available due to IE termination

A toy programming language which is a subset of OCaml.

Pluggable survey tool kit for Chromium, Firefox, Webkit

Proposal to enable privacy-enhanced preloading