Command a team of AI agents from one desktop chat

Lightweight, high-performance JavaScript runtime built from scratch

Frontend framework built on Effect

A tiny library + linter and AI skill implementation of Ghosts of Departed Proofs for TypeScript, a verification system to make API contracts more secure at compile (type check) time.

An alternative logical projection of React with 100% API compliancy but simpler implementation resulting in smaller bundle size and better performance.

A fast, tiny package manager for the npm registry, written in TypeScript.

Zero-initial-JS selective activation engine. Turn server-rendered HTML into instant interactivity on intent.

Build native apps in JS. Backend, frontend. ~5Mb.

Replace port numbers with stable, named local URLs. For humans and agents.

Framework agnostic tools for accessing data from font CDNs and providers

CLI framework for agents and humans

Multi-agent task orchestration for coding agents. Turn one goal into an ordered plan of tasks (each with its own runner, model and mode), then execute and verify the results.

TSRX language, compilers, tooling, and editor integrations

The open-source control plane for coding agents.

cn is a new engine for Tailwind class merging and conflict resolution. It replaces tailwind-merge and clsx. Same APIs. Full parity. And it is 30× faster.

One simple SDK for transactional email across 23 adapters

A large collection of high-quality React components that you can copy and paste into any project.

A high-performance color library with extended support for modern color spaces including OKLCH, OKLAB, Display-P3, and more

A shadcn registry of Remotion components for product demo videos. Install a text reveal, device frame, terminal session, logo sting or a whole scene with a command.

Modular cross-runtime WebGPU library for shaders, 3D scenes, GPU tensors, neural networks, and math viz

Node.js & Bun bindings for Zed’s GPUI. Build memory efficient native apps with React or Solid.js

An open source collection of animated, interactive & fully customizable Svelte components for building memorable websites.

Precision documentation from OpenAPI, MCP, Doxygen, and Markdown guides. Static HTML you own.

Per-component Internationalisation solution for JS application. Type-Safe. Translate with AI. Edit Visually.

Typesafe environment variables with ArkType, Zod, Valibot, or any Standard Schema.

Svelte datagrid component. Lightweight, fast, feature-rich.

A neubrutalism React/Vue component library built on shadcn/ui - Bold, raw, beautiful.

DeepSeek Harness: Everything is a Plugin.

Open-source chat infrastructure for developers

A very strict and proper argument parser.