Base UI is an open-source project built for frontend developers and design system teams.

Does Base UI have a free plan?

Yes — Base UI is open source under the MIT license and free to use.

Is Base UI still maintained?

The GitHub repository shows 418 commits in the last 90 days.

Who develops Base UI?

Base UI is developed by Base UI Maintainers.

Is Base UI open source?

Yes — Base UI is open source under the MIT license, developed on GitHub.

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Base UI

Name: Base UI
Author: Base UI Maintainers

base-ui.comInfrastructure

Base UI is an open-source library of unstyled, accessible UI components for React, designed to help developers and design system teams build custom user interfaces without opinionated styles. It emphasizes composability, accessibility, and flexibility, serving as a foundation for professional web app interfaces.

Open SourceMITWeb

Visit base-ui.com

10.1kstars

470forks

7features

2019since

Overview

7 features

Base UI is a Frameworks & SDKs project. It focuses on building accessible, customizable UI components for React apps and design systems without imposed styles. Base UI is an open-source project aimed at frontend developers and design system teams. Base UI is open source under the MIT license. Base UI is available on the web.

It is developed by Base UI Maintainers, and it first shipped in 2019. Development happens publicly on GitHub with 10.1k stars and 418 commits in the last 90 days. Among its 7 catalogued features are unstyled components, accessibility, and react support.

Summary written by a language model from the project’s public pages.

Unstyled components
Accessibility
React support
Composable primitives
Design system ready
Customizable
Open source

Built with & integrations

Framework

Next.jsReact

Hosting

Netlify

Runs on

Browser

Detected from

Next.js: /_next/static/ in the HTML · __next_f in the HTML
Netlify: x-nf-request-id header

Trust & compliance

License

MIT

Verified signals

HTTPSOpen Source GitHub · ★ 10.1kActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed30 Jun · 11:33 UTC
Base Ui verified via Saashub
Source: Saashub · Open

Frequently asked questions about Base UI

What is Base UI?: Base UI focuses on building accessible, customizable UI components for React apps and design systems without imposed styles. It is catalogued under Frameworks & SDKs on PulseGate.
Who is Base UI for?: Base UI is an open-source project built for frontend developers and design system teams.
Does Base UI have a free plan?: Yes — Base UI is open source under the MIT license and free to use.
What platforms does Base UI run on?: Base UI runs on the web.
Is Base UI still maintained?: The GitHub repository shows 418 commits in the last 90 days.
Who develops Base UI?: Base UI is developed by Base UI Maintainers.
How long has Base UI been around?: Base UI first shipped in 2019.
Is Base UI open source?: Yes — Base UI is open source under the MIT license, developed on GitHub.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
Open source: Yes · ★ 10.1k
License: MIT
Built for: Frontend developers and design system teams
Model: Open source
Solves: Building accessible, customizable UI components for React apps and design systems without imposed styles.

Registered as

GitHub: mui/base-ui

Developer

Base UI Maintainers

Community-driven

GitHub

Open source

View on GitHub

Stars: 10,092
Forks: 470
Open issues: 380
Last commit: 30 Jun 2026
Commits 90d: 418
Contributors: 301
Authorship: Community-driven
Default branch: master
Latest release: v1.6.0 · 18 Jun 2026

Index record

Indexed: 30 Jun 2026
Lifecycle: Alive
Last seen: 30 Jun 2026

Identity audit (12)

Slug: base-ui-base-ui-com
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 30 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://base-ui.com/

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