MUI
@mui โข MUI is the organization behind popular open-source projects like Material UI, Base UI, MUI X.. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
95%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
19 repos
Visible snapshot
7 repositories updated in the last 90 days.
Leading language
TypeScript
Portfolio mix
TypeScript (10), JavaScript (6), Unknown (3)
Average size
6.4K
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-04-30(126d ago)GitHub API fallback19 repositories
95%
of the visible star count comes from this organization's top three repositories.
6.4K
stars per repository in this same snapshot.
TypeScript
is the most common language here, with 7 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 81% of its visible star count.
Flagship share 81%Breakout repo: material-ui
Organization pages work best when you separate portfolio breadth from flagship concentration. In MUI's case, the visible top three repositories account for about 95% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is TypeScript (10), JavaScript (6), Unknown (3). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | mui/material-ui Material UI: Comprehensive React component library that implements Google's Material Design. Free forever. | JavaScript | 99K |
| 2 | mui/base-ui Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI. | TypeScript | 10.8K |
| 3 | mui/mui-x MUI X: Build complex and data-rich applications using a growing list of advanced React components, like the Data Grid, Date and Time Pickers, Charts, and more! | TypeScript | 5.8K |
| 4 | mui/material-ui-pickers Date & Time pickers for Material UI (support from v1 to v4) | TypeScript | 2.3K |
| 5 | mui/toolpad โ ๏ธ ๐๐จ๐ญ ๐๐๐ญ๐ข๐ฏ๐๐ฅ๐ฒ ๐ฆ๐๐ข๐ง๐ญ๐๐ข๐ง๐๐ Toolpad: Full stack components and low-code builder for dashboards and internal apps. | TypeScript | 1.7K |
| 6 | mui/pigment-css โ ๏ธ ๐๐ฅ๐ฉ๐ก๐ ๐ฉ๐ก๐๐ฌ๐, currently, on hold. Pigment CSS is a zero-runtime CSS-in-JS library that extracts the colocated styles to their own CSS files at build time. | TypeScript | 1.1K |
| 7 | mui/material-ui-docs โ ๏ธ Please don't submit PRs here as they will be closed. To edit the docs or source code, please use the main repository: http://github.com/mui/material-ui. | JavaScript | 338 |
| 8 | mui/mui-design-kits The public feature and bug tracker for the MUI Design kits and Connect Figma plugin. | 146 | |
| 9 | mui/mui-public The public mono-repository of MUI (as an organization), see mui/mui-private for the opposite. | TypeScript | 106 |
| 10 | mui/tech-challenge-react This challenge is part of the hiring process for some of the Software Engineer positions at MUI. | JavaScript | 42 |
| 11 | mui/tech-challenge-design-engineer This challenge is part of the hiring process for some positions at MUI. | TypeScript | 21 |
| 12 | mui/tech-challenge-full-stack This challenge is part of the hiring process for some of the Software Engineer positions at MUI. | TypeScript | 15 |
| 13 | mui/workshop-joy-datagrid | JavaScript | 9 |
| 14 | mui/mui-fork-argos-1 Argos is a visual testing solution that fits in your workflow to avoid visual regression. Takes screenshots on each commit and be notified if something changes. | TypeScript | 6 |
| 15 | mui/hackathon-figma-plugin | TypeScript | 6 |
| 16 | mui/tech-challenge-pigment-css | JavaScript | 3 |
| 17 | mui/tech-challenge-design-engineer-base-ui | JavaScript | 2 |
| 18 | mui/tech-challenges | 1 | |
| 19 | mui/mui-fork-argos-2 Argos detects unintended visual changes in your UI, helping teams maintain high product quality as they ship faster. | 0 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.