21st - Web Components and Templates Library

Thousands of web components and templates - build beautiful faster

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Updated Jul 2026 · Added Jul 2026

21st.dev

Agent FrameworksFreeagent-frameworks

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What is 21st?

21st is a community-driven platform for discovering and building web components, templates, and themes. It provides thousands of pre-built components from navigation menus to complex visualizations, plus templates for landing pages, SaaS platforms, and more. Users can browse with advanced filters, publish their own creations through Creator Studio, and leverage agentic workflows via 21st's MCP server for automated component building.

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Key Features of 21st

Thousands of components and templates
Advanced search and filtering
Community contributions
21st AI for agentic workflows
MCP server support
Creator Studio for publishing
Themes, shaders, and gradients
Pre-built sections (heroes, footers, pricing, etc.)
Responsive component library
New component releases weekly

Who Should Use 21st?

Build landing pages and marketing websites quickly

Create SaaS and admin dashboards

Develop portfolios and personal websites

Design ecommerce and directory platforms

Prototype mobile app interfaces

Implement complex animated components

21st: Pros & Cons

✓Pros

Extensive library of 1000+ components
Community-sourced quality designs
Advanced filtering to find exactly what you need
Free access to browse and use components
Supports modern web technologies
Regular updates with new components

Frequently Asked Questions about 21st

What is 21st?

21st is a platform with thousands of web components, templates, and themes that developers and designers can explore, use, and publish.

How do I find components on 21st?

Use the advanced search with full filters to browse components by category, or explore featured collections like heroes, footers, pricing sections, and more.

Can I publish my own components?

Yes, you can publish components through Creator Studio after signing in.

What is 21st AI and MCP?

21st AI is a tool that enables agentic workflows through an MCP server, allowing you to automate component building and related tasks.