Interactive Effect Visualizations

Scrypted is a high performance video integration and automation platform

👓 Syntax Highlighting using the CSS Custom Highlight API

Scan for React performance issues and eliminate slow renders in your app

Zero-runtime CSS in JS library

Example of a Widget in Expo's Managed Workflow (EAS).

Notion-style WYSIWYG editor with AI-powered autocompletion.

Node.js library to implement a HAP (HomeKit) controller

Optimizing compiler for React

Standalone version of the AutoSizer component from react-virtualized

An enterprise-class UI design language and React UI library

Simple peer-to-peer with WebRTC.

No chi-chi syntax highlighter for Vue.js (3 & 2).

👋💣 physics based hooks for @react-three/fiber

GIT utilities -- repo summary, repl, changelog population, author commit percentages and more

Delete files and directories

A better `npm publish`

Scaffold out a node module

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

🌐 Front End interview preparation materials for busy engineers (updated for 2025)

Place to share & store what you use

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

📜 A collective list of public GraphQL APIs

Jest cheat sheet

Build forms in React, without the tears 😭

Your self-hosted, globally interconnected microblogging community

A React environment for cross platform desktop apps

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

Complete Ethereum library and wallet implementation in JavaScript.

Interactive React Lifecycle Methods diagram.