100+ modern UI components built with Tailwind CSS, shadcn/ui, and Motion.
54 components14M viewsupdated 1mo ago
Libraries
AI blocks libraries on 21st
@21st
Collection of React UI components for building AI agent chat interfaces, like send/attachment buttons, suggestions, and loaders.
22 components1.1M viewsupdated 5mo agoHigh-quality, accessible, customizable components for AI interfaces, built on top of shadcn/ui.
9 components398k viewsupdated 1y agoReact component library on Tailwind and shadcn/ui with 50+ component variants, 100+ blocks, and starter kits.
12 components326k viewsupdated 1mo ago@vercel
A component library and custom registry built on top of shadcn/ui to help you build AI-native applications faster.
10 components173k viewsupdated 1y agoBeautifully crafted, copy-paste UI components for AI agent conversations, including thinking states, tool calls, streaming text, tables, and more.
17 components140k viewsupdated 2mo ago@ElevenLabs
A component library and custom registry built on shadcn/ui for building multimodal AI agent interfaces faster.
8 components138k viewsupdated 1y agoOpen-source AI-focused UI components, blocks, and React Flow workflows built with shadcn/ui and the Vercel AI SDK.
8 components96k viewsupdated 25d agoNeed a product built? AI agents write the code, an engineer directs them: https://vibecoding.tech/services?utm_source=21st&utm_medium=library Book a call and say promo code 21ST to get a free 3-day development trial.
3 components86k viewsupdated 20d agoLayro System: the inside of a SaaS product, built as one system on shadcn tokens. Forms, overlays, data tables, charts, editor and auth. Keyboard-complete, accessible, light and dark.
29 components76k viewsupdated 18d ago
Pasta UI
UpdatedFree, MIT-licensed React components for AI and agent interfaces: prompt input, model picker, tool approvals, reasoning text, citations and file diffs.
51 components29k viewsupdated 12d ago
Uai
UpdatedComponents that feel finished. Shadcn components with real motion, AI agent UI and a Brazil set (Pix, CEP). MIT.
7 components1.2k viewsupdated 2d ago
