What is 21st?
21st offers a library of over 12,000 React and Tailwind CSS components, templates and shadcn themes made by design engineers. Users can preview components live, copy prompts and install them with one command for themselves or their AI coding agent. A free tier is available.
Key facts
- Pricing
- Freemium
- Free plan
- Yes
- Category
- Coding
- Website
- https://21st.dev/
- Listing updated
- Nov 11, 2026
21st FAQ
What is 21st?
21st offers a library of over 12,000 React and Tailwind CSS components, templates and shadcn themes made by design engineers. Users can preview components live, copy prompts and install them with one command for themselves or their AI coding agent. A free tier is available.
Is 21st free?
Yes. 21st lists a free plan. Pricing: Freemium.
What are alternatives to 21st?
Coding alternatives to 21st include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.