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About

Untitled UI is the world’s largest Figma UI kit, React component library, and icon system, offering designers and developers everything needed to design and build modern interfaces at speed. The Figma library features over 900 global styles and variables for color, typography, and effects, more than 10,000 meticulously crafted components and variants, 420 ready‑to‑use desktop and mobile page examples, and 4,600 neutral icons and logos, fully integrated into one design system. On the development side, Untitled UI React provides an open‑source collection of production‑ready components built with React v19.1, Tailwind CSS v4.1, TypeScript v5.8, and React Aria, ensuring type safety, accessibility (keyboard navigation and screen‑reader support), and lightning‑fast performance without lock‑in. AI‑ready Lovable and bolt.new kits enable instant prototyping with simple prompts, while seamless Figma previews and consistent styling across both platforms.

About

assistant-ui is an open source React toolkit for production AI chat experiences, designed to bring the UX of ChatGPT into your own app. It helps developers create beautiful, enterprise-grade AI chat interfaces in minutes for React, React Native, and terminal applications. Whether you are building a ChatGPT clone, a customer support chatbot, an AI assistant, or a complex multi-agent application, assistant-ui provides frontend primitive components and state management layers so you can focus on what makes your application unique. It includes instant chat UI with pre-built, beautiful, customizable chat interfaces out of the box, making it easy to quickly iterate on an idea. Its chat state management is optimized for streaming responses, interruptions, retries, multi-turn conversations, and efficient rendering. assistant-ui is built for high performance, with optimized rendering and a minimal bundle size to keep AI chat interfaces responsive.

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

Product designers and front‑end developers wanting a solution to streamline design and development workflows

Audience

Frontend and AI app developers who need production-ready chat components, streaming state management, and flexible integrations for building polished AI assistants

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

Pricing

$129 per month
Free Version
Free Trial

Pricing

$50 per month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • We've been using Untitled UI since version 3. It's by far the best library we've found and not even close... We use it to start new client projects and I can't even begin to guess how much time it has saved us.

Cons

  • It's VERY big so removing whatever we don't need takes a while.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Untitled UI
United States
www.untitledui.com

Company Information

assistant-ui
United States
www.assistant-ui.com

Alternatives

Shadcn Space

Shadcn Space

WrapPixel

Alternatives

Swarm

Swarm

OpenAI
AgentKit

AgentKit

OpenAI

Categories

Categories

Integrations

React
ChatGPT
Claude
Figma
Gemini
Grok
LangChain
Model Context Protocol (MCP)
Perplexity
React Aria
React Native
Tailwind CSS
TypeScript
shadcn/ui

Integrations

React
ChatGPT
Claude
Figma
Gemini
Grok
LangChain
Model Context Protocol (MCP)
Perplexity
React Aria
React Native
Tailwind CSS
TypeScript
shadcn/ui
Claim Untitled UI and update features and information
Claim Untitled UI and update features and information
Claim assistant-ui and update features and information
Claim assistant-ui and update features and information