🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

Safely serialize JavaScript expressions to a superset of JSON, which includes Dates, BigInts, and more.

An interactive TypeScript tutorial for beginners

A reference implementation of GraphQL for JavaScript

[Not Actively Maintained] CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.

A Community-led Hyper-Hackable Text Editor

Markdown for the component era

A beautiful yet powerful syntax highlighter

A guide to help ensure your JavaScript library is the most compatible, fast, and efficient library you can make.

The skinny framework for creating slide deck from Markdown

A plugin to run Lighthouse against a set of urls to see which site is the fastest.

Benchmark the web performance and accessibility of sites over time.

Collection of essential Vue Composition Utilities for Vue 2 and 3

🔋 Next.js + Tailwind CSS + TypeScript starter and boilerplate packed with useful development features

A compiled-away, type-safe, readable RegExp alternative

@material-tailwind is an easy-to-use components library for Tailwind CSS and Material Design.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Manage state with style in every framework

🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table

Solve your hook spaghetti (with more spaghetti). Inspired by React Forget.

🔑 Google Auth Library for Node.js

A simple cron-like job scheduler for Node.js

Comprehensive language-agnostic guidelines on variables naming. Home of the A/HC/LC pattern.

🧙 Valtio makes proxy-state simple for React and Vanilla

State usage tracking with Proxies. Optimize re-renders for useState/useReducer, React Redux, Zustand and others.

Create the next immutable state by mutating the current one

Source code for Twitter's Recommendation Algorithm

The library for web and native user interfaces.

Headless TypeScript ORM with a head. Runs on Node, Bun and Deno. Lives on the Edge and yes, it's a JavaScript ORM too 😅

A tiny (286 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores