A standard interface for TypeScript schema validation libraries

Super-fast/easy runtime validators and serializers via transformation

Zero-dependency canvas shaders that can be installed from npm or designed in Paper

Trigger.dev – build and deploy fully‑managed AI agents and workflows

Workflow DevKit: Build durable, reliable, and observable apps and AI Agents in TypeScript

Context7 MCP Server -- Up-to-date code documentation for LLMs and AI code editors

A Vue 3 renderer specifically built for AI-powered streaming Markdown: Monaco incremental, Mermaid progressive, and KaTeX formula speed, with real-time updates and no jitter, ready to use out of th…

🥢 A minimalist-friendly ~2.2KB routing for React and Preact

A drop-in replacement for react-markdown, designed for AI-powered streaming.

The elegant bundler for libraries powered by Rolldown

A fully featured React components library

👷 TypeScript's largest type utility library

A utility library for JavaScript and TypeScript.

Progressively enhance HTML forms with React. Build resilient, type-safe forms with no hassle using web standards.

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

Build production-ready applications in TypeScript

SnapDOM: DOM Capture Engine – Fast and Accurate HTML Conversion

A React Rich Text Editor that's block-based (Notion style) and extensible. Built on top of Prosemirror and Tiptap.

Framework agnostic and headless rich text editor

A toolkit for making CSS Modules useful.

A 'CSS reset' for TypeScript, improving types for common JavaScript API's

One of the "BEST" markdown preview extensions for Visual Studio Code

The easiest way to build React apps with server-side rendering

A collection of essential TypeScript types

The utility-first workflow you love from Tailwind CSS in your React Native applications.

Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉

A simple parser for react properties defined in typescript instead of propTypes.

JavaScript animation engine

Actor-based state management & orchestration for complex app logic.