21st.dev
by serafimcloud
Open-source marketplace for shadcn/ui-based React components and blocks — browse, preview, install via CLI, or publish your own registry entries.
5,246
May 27, 2026
open-source
Overview
21st.dev is a community marketplace and npm-style registry for design engineers using shadcn/ui. Discover components and blocks from many authors, install with the shadcn CLI, or publish your own — often described as “Dribbble for shadcn.”
Features
- Component marketplace — Large catalog of shadcn/ui-based React + Tailwind pieces
- CLI installs — Add community components into your project with shadcn
- Publish your work — Share registry entries with other developers
- Design-engineer focus — Curated previews for landing sections, UI patterns, and blocks