TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

The repository for high quality TypeScript type definitions.

🐠 Babel is a compiler for writing next generation JavaScript.

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

Lightweight, user-friendly onboarding tour library

The JavaScript and API powered WordPress.com

Access serial ports with JavaScript. Linux, OSX and Windows. Welcome your robotic JavaScript overlords. Better yet, program them!

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python

Moved to Polymer/tools monorepo

Interactive, extendable street imagery map experiences in the browser, powered by WebGL