Source: https://seerepo.com/compare/HarnessMD/munder-difflin/vs/supabase/supabase
Markdown source: https://seerepo.com/compare/HarnessMD/munder-difflin/vs/supabase/supabase.md
Description: munder-difflin and supabase share 6 technologies: Vite, React, PostHog, monaco-editor, react-markdown, and remark-gfm. Both are written in TypeScript.

# munder-difflin vs supabase

munder-difflin and supabase share 6 technologies: Vite, React, PostHog, monaco-editor, react-markdown, and remark-gfm. Both are written in TypeScript.

- [HarnessMD/munder-difflin](https://seerepo.com/r/HarnessMD/munder-difflin): an open-source alternative to the dots, bots and muses of the world, run an office of claude code/codex like agents on your laptop, sandboxes or anywhere, uses your existing subscriptions
- [supabase/supabase](https://seerepo.com/r/supabase/supabase): The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

## What they share and what sets them apart

- In common: Vite, React, PostHog, monaco-editor, react-markdown, remark-gfm
- Only in munder-difflin: SQLite, Electron, pixi.js, xterm, @lezer/highlight, @uiw/react-codemirror, CodeMirror, remotion
- Only in supabase: Supabase, Next.js, React Router, @react-router/fs-routes, tanstack, libpg-query, idb, Sentry, Stripe, Braintrust, OpenAI, MCP, Tailwind CSS, next-themes, react-inlinesvg, react-data-grid, react-wrap-balancer, recharts, Lucide, unist-util-visit, mdast-util-toc, remark, Zod, astrojs, hast-util-from-html, remark-parse, unified, class-variance-authority, sonner, React Hook Form, motion, @uidotdev/usehooks, dnd-kit, xyflow, Radix UI, react-intersection-observer, @dagrejs/dagre, lexical, react-error-boundary, @number-flow/react, react-day-picker, react-simple-maps, D3, graphiql, react-grid-layout, react-resizable, Swiper, use-stick-to-bottom, @heroicons/react, @hcaptcha/react-hcaptcha, @aws-sdk/credential-providers, zxcvbn, ai, ai-sdk, @react-pdf/renderer, papaparse, @lexical/markdown, html-to-image, streamdown, markdown-table, mdast, @hookform/resolvers, Vercel, shadcn, cmdk, react-dropzone, vaul, y-monaco, gray-matter, mdast-util-from-markdown, mdast-util-gfm, mdast-util-mdx, mdast-util-mdx-jsx, mdast-util-to-markdown, micromark-extension-gfm, micromark-extension-mdxjs, dat.gui, mdast-util-to-string, remark-frontmatter, shiki, react-syntax-highlighter, highlightjs-curl, Mermaid, prism-react-renderer, react-countdown, react-medium-image-zoom, scroll-into-view-if-needed, vfile, js-yaml, cn, input-otp, react-accessible-treeview, react-resizable-panels

## Side by side

| | munder-difflin | supabase |
|---|---|---|
| Size | 178,841 lines written, 398 code files | 1,136,167 lines written, 6,947 code files |
| Who writes it | 71.1% of its commits signed by AI. With Claude Code and Cursor | 2.1% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, CodeRabbit, Factory, Codex, and Devin |
| Activity | Last push November 14, 2026, 1,165 commits, 9,528 stars | Last push November 12, 2026, 32,874 commits, 114,901 stars |
| Tests | 132 test files. 2.8% of its code files have a test that imports them | 1,301 test files. 20.8% 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, munder-difflin or supabase?

supabase, with 1,136,167 lines written; munder-difflin has 178,841.

The proof: [supabase/supabase's code at commit 53ffdf7](https://github.com/supabase/supabase/tree/53ffdf75c98f2e3de5c32381c9bc6170ab57bf94)

### Which has more GitHub stars, munder-difflin or supabase?

supabase, with 114,901 stars; munder-difflin has 9,528.

The proof: [supabase/supabase on GitHub](https://github.com/supabase/supabase)

### Which has more tests, munder-difflin or supabase?

supabase, with 1,301 test files; munder-difflin has 132.

The proof: [supabase/supabase's code at commit 53ffdf7](https://github.com/supabase/supabase/tree/53ffdf75c98f2e3de5c32381c9bc6170ab57bf94)

### Which was updated more recently, munder-difflin or supabase?

munder-difflin: its last push was on November 14, 2026, and supabase's on November 12, 2026.

The proof: [HarnessMD/munder-difflin's commits on GitHub](https://github.com/HarnessMD/munder-difflin/commits)

### Which has more commits signed by AI, munder-difflin or supabase?

munder-difflin: an AI signed 71.1% of its commits, with Claude Code and Cursor; in supabase, 2.1%.

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

## Sources

- HarnessMD/munder-difflin: Read on November 15, 2026, at commit 34cc86c (https://github.com/HarnessMD/munder-difflin/tree/34cc86c6b0b84aa6ce4a7a830c8015cc50a0b0c7)
- supabase/supabase: Read on November 12, 2026, at commit 53ffdf7 (https://github.com/supabase/supabase/tree/53ffdf75c98f2e3de5c32381c9bc6170ab57bf94)

## 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.