Bit

Bit

Bit.dev
+
+

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About

Bit is a scalable and collaborative way to build and reuse components. It's everything you need from local development to cross-project integrations. Try it for free. Bit is an open-source toolchain for component-driven development. Forget monolithic apps and distribute to composable software. Distribute component ownership across development teams. Components are easy to replace and refactor over time. Drive development standards and consistency across teams and products. Compose existing components into new ones instead of reinventing the wheel. Build a composable design system and UI. Create a consistent and reusable UI software. Distribute code and teams. Drive autonomy and standards. Scale to cross-team collaboration and bridge the gap between design, development and product. Create a scalable and composable backend that never repeats itself.

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.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers searching for an open-source toolchain for component-driven software

Audience

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

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$129 per month
Free Version Supported
Free Trial Not Supported

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

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported

Company Information

Bit.dev
Founded: 2015
bit.dev/

Company Information

Untitled UI
United States
www.untitledui.com

Alternatives

Alternatives

Shadcn Space

Shadcn Space

WrapPixel
JxBrowser

JxBrowser

TeamDev

Categories

Microframeworks Supported
Serverless Supported

Categories

UX Supported

Serverless Features

API Proxy Supported
Application Integration Supported
Data Stores Supported
Developer Tooling Supported
Orchestration Supported
Reporting / Analytics Supported
Serverless Computing Supported
Storage Supported

Integrations

React Supported
Figma Not Supported
GitHub Supported
Node.js Supported
React Aria Not Supported
Tailwind CSS Not Supported
TypeScript Not Supported

Integrations

React Supported
Figma Supported
GitHub Not Supported
Node.js Not Supported
React Aria Supported
Tailwind CSS Supported
TypeScript Supported
Claim Bit and update features and information
Claim Bit and update features and information
Claim Untitled UI and update features and information
Claim Untitled UI and update features and information