A registry of React components and templates for AI application development.
Product memo
Developers building AI applications find a centralized hub for React components and templates. It simplifies the development process by offering a vast collection of UI components and AI agent templates. This approach allows for faster creation and remixing of AI-focused interfaces, serving as a critical resource for rapid prototyping and deployment.
For who
Developers building AI applications
Solves what
Provides a registry of React components and templates for AI apps.
- React component registry
- AI agent templates
- Community-driven
In their own words
Build something beautiful
Thousands of components and templates from the community. Find the exact one with full filters.
Operator context
Team
VC / larger team
Founded
Jul 2025
HQ
United States
Platform
Web app
Audience
Developers
Public footprint
Builder Strategy
- Strategy Type
- Wedge Expand
- Stage
- Vc Growth
- Effort
- Small Team
About 21st Expand
21st offers a specialized registry of React components and templates, specifically designed for developers building AI applications. It serves as a central resource, providing UI components and AI agent templates to simplify the development workflow.
This helps developers rapidly prototype and deploy AI-focused interfaces by leveraging a vast, community-contributed collection. The platform's free-only model encourages widespread adoption and continuous expansion of its content library, making it a valuable tool for anyone working on AI-powered projects.