Source: https://seerepo.com/compare/different-ai/openwork/vs/mermaid-js/mermaid
Markdown source: https://seerepo.com/compare/different-ai/openwork/vs/mermaid-js/mermaid.md
Description: openwork and mermaid share 5 technologies: marked, dompurify, katex, Ajv, and sharp. Both are written in TypeScript.

# openwork vs mermaid

openwork and mermaid share 5 technologies: marked, dompurify, katex, Ajv, and sharp. Both are written in TypeScript.

- [different-ai/openwork](https://seerepo.com/r/different-ai/openwork): The open-source alternative to Claude Cowork (powered by opencode)
- [mermaid-js/mermaid](https://seerepo.com/r/mermaid-js/mermaid): Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

## What they share and what sets them apart

- In common: marked, dompurify, katex, Ajv, sharp
- Only in openwork: Vite, React Router, React, MCP, Sentry, Electron, Next.js, Redis, Stripe, Hono, PostHog, MySQL, PlanetScale, Resend, Vercel, Tailwind CSS, class-variance-authority, tailwind-merge, motion, sonner, CodeMirror, lexical, @tanstack/react-virtual, Mermaid, xterm, Lucide, @heroicons/react, ai, shiki, htmlparser2, Zod, Drizzle, @ai-sdk/provider, yaml, Better Auth, jose, fast-xml-parser, sanitize-html, @standard-schema/spec, @hono/node-server, opentelemetry, recharts, cmdk, Framer, react-email, nodemailer
- Only in mermaid: js-yaml, markdown-table, stylis, roughjs, D3, dagre-d3-es, cytoscape, cytoscape-cose-bilkent, cytoscape-fcose, elkjs, @braintree/sanitize-url

## Side by side

| | openwork | mermaid |
|---|---|---|
| Size | 954,486 lines written, 3,280 code files | 232,641 lines written, 670 code files |
| Who writes it | 3% of its commits signed by AI. With Cursor, Claude Code, GitHub Copilot, Codex, and Warp | 5.1% of its commits signed by AI. With Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit |
| Activity | Last push November 4, 2026, 6,571 commits, 24,396 stars | Last push November 4, 2026, 11,988 commits, 91,011 stars |
| Tests | 822 test files. 27.7% of its code files have a test that imports them | 505 test files. 40.1% 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, openwork or mermaid?

openwork, with 954,486 lines written; mermaid has 232,641.

The proof: [different-ai/openwork's code at commit 2fff515](https://github.com/different-ai/openwork/tree/2fff515e6b6cab8a362dcbfff6b0fac983696bf2)

### Which has more GitHub stars, openwork or mermaid?

mermaid, with 91,011 stars; openwork has 24,396.

The proof: [mermaid-js/mermaid on GitHub](https://github.com/mermaid-js/mermaid)

### Which has more tests, openwork or mermaid?

openwork, with 822 test files; mermaid has 505.

The proof: [different-ai/openwork's code at commit 2fff515](https://github.com/different-ai/openwork/tree/2fff515e6b6cab8a362dcbfff6b0fac983696bf2)

### Which was updated more recently, openwork or mermaid?

Both got their last push on November 4, 2026.

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

### Which has more commits signed by AI, openwork or mermaid?

mermaid: an AI signed 5.1% of its commits, with Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit; in openwork, 3%.

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

## Sources

- different-ai/openwork: Read on November 4, 2026, at commit 2fff515 (https://github.com/different-ai/openwork/tree/2fff515e6b6cab8a362dcbfff6b0fac983696bf2)
- mermaid-js/mermaid: Read on November 4, 2026, at commit 63333fd (https://github.com/mermaid-js/mermaid/tree/63333fd8db0540377d84795c7a43c59ded353b18)

## 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.