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

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Build forms in React, without the tears 😭

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

Get 10X more out of Claude Code, Codex or any coding agent

A private messenger for Windows, macOS, and Linux.

Display PDFs in your React app as easily as if they were images.

A modular geospatial engine written in JavaScript and TypeScript

mutate a copy of data without changing the original source

Starter kit with zero-config for building a library in TypeScript, featuring RollupJS, Jest, Prettier, TSLint, Semantic Release, and more!

A tool to understand your bundle size and why files are in your bundle

The only TypeScript package you will ever need

Make CSS easier and more maintainable by using JavaScript

Props Combinations addon for React Storybook that will generate stories for each props combinations

Simple, extendable Accordion implementation using Stencil.js