Source: https://seerepo.com/compare/marimo-team/marimo/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/marimo-team/marimo/vs/shadcn-ui/ui.md
Description: marimo and ui share 16 technologies: React, Vite, Tailwind CSS, class-variance-authority, PostCSS, TanStack, Radix UI, React Hook Form, react-resizable-panels, dnd-kit, cmdk, Lucide, ai, @ai-sdk/react, streamdown, and Zod. marimo is written in Python and ui in TypeScript.

# marimo vs ui

marimo and ui share 16 technologies: React, Vite, Tailwind CSS, class-variance-authority, PostCSS, TanStack, Radix UI, React Hook Form, react-resizable-panels, dnd-kit, cmdk, Lucide, ai, @ai-sdk/react, streamdown, and Zod. marimo is written in Python and ui in TypeScript.

- [marimo-team/marimo](https://seerepo.com/r/marimo-team/marimo): A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.
- [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui): Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

## What they share and what sets them apart

- In common: React, Vite, Tailwind CSS, class-variance-authority, PostCSS, TanStack, Radix UI, React Hook Form, react-resizable-panels, dnd-kit, cmdk, Lucide, ai, @ai-sdk/react, streamdown, Zod
- Only in marimo: FastAPI, starlette, uvicorn, markdown, msgspec, jsonschema, psutil, @radix-ui/colors, tailwind-merge, CodeMirror, vega-lite, @uiw/react-codemirror, react-aria-components, @marimo-team/codemirror-languageserver, react-arborist, reactflow, @uidotdev/usehooks, @lezer/highlight, @replit/codemirror-vim, react-dropzone, react-dnd, react-error-boundary, Swiper, @dagrejs/dagre, dnd-core, Mermaid, react-dnd-html5-backend, react-grid-layout, react-virtuoso, Vega, xterm, @radix-ui/react-icons, marked, dompurify, html-to-image, katex, rehype-sanitize, yaml, @hookform/resolvers, @codemirror/lang-python
- Only in ui: Next.js, lru-cache, Vercel, MCP, React Router, cn, next-themes, recharts, Base UI, sonner, embla-carousel-react, react-day-picker, motion, vaul, hugeicons, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, shiki, unist-util-visit, tailwindcss-animate, geist, prompts, ora

## Side by side

| | marimo | ui |
|---|---|---|
| Size | 907,947 lines written, 2,501 code files | 636,496 lines written, 3,892 code files |
| Who writes it | 3.6% of its commits signed by AI. With GitHub Copilot, Cursor, Claude Code, Devin, and Codex | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push November 4, 2026, 7,195 commits, 23,418 stars | Last push November 4, 2026, 2,298 commits, 127,326 stars |
| Tests | 1,461 test files. 53% of its code files have a test that imports them | 415 test files. 3.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, marimo or ui?

marimo, with 907,947 lines written; ui has 636,496.

The proof: [marimo-team/marimo's code at commit b62dfd4](https://github.com/marimo-team/marimo/tree/b62dfd4e2d85d3595fa50ee8f35bbaccf85d929f)

### Which has more GitHub stars, marimo or ui?

ui, with 127,326 stars; marimo has 23,418.

The proof: [shadcn-ui/ui on GitHub](https://github.com/shadcn-ui/ui)

### Which has more tests, marimo or ui?

marimo, with 1,461 test files; ui has 415.

The proof: [marimo-team/marimo's code at commit b62dfd4](https://github.com/marimo-team/marimo/tree/b62dfd4e2d85d3595fa50ee8f35bbaccf85d929f)

### Which was updated more recently, marimo or ui?

Both got their last push on November 4, 2026.

The proof: [marimo-team/marimo's commits on GitHub](https://github.com/marimo-team/marimo/commits)

### Which has more commits signed by AI, marimo or ui?

marimo: an AI signed 3.6% of its commits, with GitHub Copilot, Cursor, Claude Code, Devin, and Codex; in ui, 3%.

The proof: [the commits each tool signed in marimo-team/marimo](https://seerepo.com/r/marimo-team/marimo/ai)

## Sources

- marimo-team/marimo: Read on November 4, 2026, at commit b62dfd4 (https://github.com/marimo-team/marimo/tree/b62dfd4e2d85d3595fa50ee8f35bbaccf85d929f)
- shadcn-ui/ui: Read on November 4, 2026, at commit 8a35366 (https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.