Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Small and modular JavaScript runtime for desktop and mobile

⚓ A collection of JavaScript tools written in Rust.

A tool for finding memory leaks in web apps

Layerform helps engineers create reusable environment stacks using plain .tf files. Ideal for multiple "staging" environments.

Preview environments on every pull request, for any stack.

Pluggable and configurable code formatting platform written in Rust.

The multiplayer game engine

Speedy TypeScript type checker

Data on third party entities and their impact on the web.

Automatic Reliability Testing for Kubernetes Controllers and Operators

Polyfill for measuring First Contentful Paint (FCP) in the browsers that does not support paint timing API.

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

Trace the original position through a source map

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

Incremental bundler and build system optimized for JavaScript and TypeScript, written in Rust – including Turbopack and Turborepo.

An extremely fast bundler for the web

📦 Package Node.js applications into executable binaries 📦

Synthetic Monitoring with Real Browsers

Sampling profile code for RUM

the only javascript runtime to hit no.1 on techempower 🔥

News from the depths

The web framework for content-driven websites. ⭐️ Star to support our work!

DEPRECATED: 🔎 Test Electron apps using ChromeDriver

Know JS, want to try Rust, but not sure where to start? This is for you!

Endo is a distributed secure JavaScript sandbox, based on SES

One second to read GitHub code with VS Code.

Experimental toolkit for writing x-to-JavaScript compilers

A behavioral analytics library that uses dom mutations and user interactions to generate aggregated insights.