# 21st Barvian, 3 React UI components, live previews & code, EneUI All 3 21st Barvian components in the catalog with live previews, full source and a one-line install. Most used: number flow, slider number flow, activity with number flow. The declared licence is MIT. > Page: https://ui.eneawork.it/components/lib/21st-barvian > Markdown: https://ui.eneawork.it/components/lib/21st-barvian.md **Components:** 3 - [number-flow](https://ui.eneawork.it/comp/21st-barvian/number-flow), 21st-barvian - [slider-number-flow](https://ui.eneawork.it/comp/21st-barvian/slider-number-flow), 21st-barvian - [activity-with-number-flow](https://ui.eneawork.it/comp/21st-barvian/activity-with-number-flow), 21st-barvian ## FAQ ### How many components are in the 21st Barvian library? 3 21st Barvian components are in the catalog, each with a live preview, full source and a one-line install command. ### Is the 21st Barvian library free? The declared licence is MIT. ### What framework does 21st Barvian target? 21st Barvian targets React: the components are written for that renderer and drop into Next.js, Vite or CRA the same way. ### What is the most popular 21st Barvian component? "number flow" is the most starred one, out of 3 available. ### How do I add a 21st Barvian component to my project? Open the component and hit Copy code (or Install): the source lands in your components folder, or run the npx shadcn add command shown on the page. ### What kind of interfaces does 21st Barvian ship? 21st Barvian mainly covers Animated Number Counter, 21st, Number, Text. ## Install ```bash npx shadcn@latest add "https://ui.eneawork.it/api/registry/21st-barvian/%3Ccomponent-name%3E.json?token=YOUR_TOKEN" ``` The registry endpoints are token-gated (create a free account in the app, then copy the registry token). The raw source is also readable at `/api/registry//.json`.