The design vocabulary for your coding agent. Steer with polish and bolder, review with critique and audit, catch AI slop before it ships.

An open source design system that's fully customizable and agent ready

Build production-ready applications in TypeScript

Fast, accurate & comprehensive text measurement & layout

👨‍🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Legend-State is a super fast and powerful state library that enables fine-grained reactivity and easy automatic persistence

Shared data types for building collaborative software

Document Store for collaborative applications

"Superposition" between sync and async

🤖 A client-first, server-capable, fully type-safe router and full-stack framework for the web (React and more).

🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API

모든 자바스크립트 개발자가 알아야 하는 33가지 개념

People choose popular projects, often not because it applies to their problems

😎한국어로만 선별된 타입스크립트 리소스 리스트 🇰🇷

{ 고퀄리티 ⚡ 개발 컨텐츠 모음 }

Essential principles for frontend development

A book series (2 published editions) on the JS language.

The library for web and native user interfaces.

Fully Type-Safe Integration for React Native WebView and Web

👻 Primitive and flexible state management for React