Extend UI
Reusable React components built on shadcn/ui
Extend UI launched on November 28, 2024 with 11 votes, #1,506 of 4,990 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Reusable components built on shadcn/ui to increase performance when building web applications.
Beautifully designed landing page components built with React & Tailwind CSS.
Reusable components built on shadcn/ui to increase performance when building web applications. Build your UI faster with our pre-built, customizable components. Enjoy improved application performance with our optimized component library. Seamlessly integrate with your existing React and Next.js projects. Effortlessly build stunning, flexible interfaces with our UI library—powered by compound components to make everything simpler and morefrom extend-ui.com
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21st.dev2025 · 21st.dev · ▲1,211I originally built this app to organize and reuse interesting React + Tailwind components I came across on Twitter, inspired by the shadcn/ui approach. Later, a friend started contributing their own components, and it got me thinking—this could grow into something bigger, like an NPM for design engineers to share and use components. Would love to hear your thoughts!
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