# 21st

> UI component building blocks for developers and AI agents

12,000+ hand-crafted React and Tailwind CSS components, templates, and shadcn themes by real design engineers. Preview live, install with one command — for you and your AI agent.

## Facts
- Website: https://21st.dev
- Made by: 21st
- Category: Developer tools
- Stage: Live

Listing page: https://launchwoo.com/p/21st
Listed on LaunchWoo, a directory of AI apps, developer tools and AI devices: https://launchwoo.com/launches