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