21st

21st

21st.dev
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About

21st is a developer platform that provides the fastest way to add AI agents directly into applications. The platform offers an SDK that allows developers to define, deploy, and run AI agents with minimal infrastructure setup. Developers can integrate agents using popular frameworks such as Next.js, React, TypeScript, Python, and Node.js. 21st includes built-in features like chat interfaces, session history, tool execution, memory, and real-time streaming responses. The platform also manages backend components such as sandboxed execution environments, authentication, rate limits, and observability. With support for Claude Code and Codex runtimes, developers can build agents that interact with tools, files, and APIs securely. By handling infrastructure and deployment automatically, 21st enables teams to launch production-ready AI agents quickly.

About

Shadcn UI Kit is a production-ready UI toolkit built to help developers and teams design, build, and ship modern web applications faster. It offers a curated collection of high-quality, fully customizable components and full-page templates built with Next.js, Tailwind CSS, and shadcn/ui, following best practices for accessibility, performance, and scalability. What’s inside the Shadcn UI Kit? Production-ready Admin Dashboard templates, a flexible library of UI blocks and components, premium website templates, a synchronized Figma UI Kit for rapid design workflows, and an optional Boilerplate starter (coming soon) with planned integrations for authentication, email workflows, advanced theming, and multilingual support Why Shadcn UI Kit? Instead of spending weeks rebuilding common UI patterns, Shadcn UI Kit gives you a polished, production-ready foundation to accelerate development without sacrificing flexibility

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Software developers, startups, and product teams that want a fast and scalable way to build and deploy AI agents inside their applications

Audience

Frontend developers, full-stack developers, UI/UX designers, Next.js users, Tailwind CSS users, SaaS builders, indie hackers, startups, agencies, product teams, React developers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

21st.dev
21st.dev/

Company Information

Shadcn UI Kit
shadcnuikit.com

Alternatives

Alternatives

Categories

Categories

Integrations

shadcn/ui
React
Tailwind CSS

Integrations

shadcn/ui
React
Tailwind CSS
Claim 21st and update features and information
Claim 21st and update features and information
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