🐒 Bundler-free build tool for TypeScript libraries. Powered by tsc.

Like Vercel, but open source and for all languages.

🚀 Local-first collaboration SDK for React, Vue, and Svelte. Batteries-included: Rich text, undo/redo, cursors, and presence.

.env files built for sharing powered by @env-spec decorator comments

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

Rich-text editor with AI, MCP, and shadcn/ui

A multi-select component designed with shadcn/ui

The only AI app builder that knows backend

Tiptap V2 search and replace.

UI components and hooks for building video/audio players on the web. Robust, customizable, and accessible. Modern alternative to JW Player and Video.js.

Free and open-source API Client & Interceptor.

🎛️ Compact GUI for fine-tuning parameters and monitoring value changes

A markdown parser and compiler. Built for speed.

Build rich content websites with Markdown and React

A lightweight, unstyled, and composable emoji picker for React.

The open-source framework for building AI-native frontends

AI group chat with a GraphQL federated subscription and durable function

The open-source CapCut alternative

Custom elements (web components) for making audio and video player controls that look great in your website or app.

😸 Soothing pastel theme for the high-spirited!

Explainer of the new `generate()` method for URLPattern API

An OS for your agents, built for your pocket.

Lightweight JavaScript library that predicts user intent based on mouse movements and keyboard navigation. Perfect for smart prefetching. Also works for mobile!

💫 Toolkit to help you get started with Spec-Driven Development

A boilerplate to build apps with effect/io and effect-ts-app/libs

AI-powered annotations for localhost development. Create visual feedback on your apps and let AI coding agents automatically implement fixes via MCP integration.

Production-grade Turborepo template for Next.js apps.