Source: https://seerepo.com/compare/MetaMask/metamask-extension/vs/RocketChat/Rocket.Chat
Markdown source: https://seerepo.com/compare/MetaMask/metamask-extension/vs/RocketChat/Rocket.Chat.md
Description: metamask-extension and Rocket.Chat share 9 technologies: React, react-router-dom, localforage, GitHub, Chart.js, @hello-pangea/dnd, dompurify, he, and sharp. Both are written in TypeScript.

# metamask-extension vs Rocket.Chat

metamask-extension and Rocket.Chat share 9 technologies: React, react-router-dom, localforage, GitHub, Chart.js, @hello-pangea/dnd, dompurify, he, and sharp. Both are written in TypeScript.

- [MetaMask/metamask-extension](https://seerepo.com/r/MetaMask/metamask-extension): :globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
- [RocketChat/Rocket.Chat](https://seerepo.com/r/RocketChat/Rocket.Chat): The Secure CommsOS™ for mission-critical operations

## What they share and what sets them apart

- In common: React, react-router-dom, localforage, GitHub, Chart.js, @hello-pangea/dnd, dompurify, he, sharp
- Only in metamask-extension: Koa, Sentry, Autoprefixer, PostCSS, postcss-rtlcss, sass-embedded, Tailwind CSS, @rive-app/react-canvas, MUI, @tanstack/react-virtual, react-hot-toast, react-popper, react-transition-group, lightweight-charts, lottie-web, react-chartjs-2, react-focus-lock, react-idle-timer, react-toggle-button, @simplewebauthn/browser, jsonwebtoken, qrcode-generator, qrcode.react, react-markdown, xml2js, yaml, prop-types, serve-handler
- Only in Rocket.Chat: Vite, Hono, Express, MongoDB, bson, ldapjs, aws-sdk, connect-mongo, Google Cloud, AWS S3, RTM, connect, Moleculer, @slack/bolt, polka, mongo-message-queue, Preact, preact-router, history, LiveKit, stylis, React Hook Form, react-aria, react-virtuoso, nivo, virtua, react-error-boundary, codemirror, swagger-ui-express, Swiper, emojibase-data, Passport, bcrypt, @node-oauth/oauth2-server, express-session, generate-password, passport-apple, passport-github2, passport-google-oauth20, passport-oauth2, speakeasy, xml-encryption, @xmldom/xmldom, mailparser, nodemailer, csv-parse, exif-be-gone, file-type, highlight.js, string-strip-html, @react-pdf/renderer, imap, is-svg, json-2-csv, juice, marked, sanitize-html, yaqrcode, Zod, Ajv, cron-validator, prom-client, bugsnag, docker-compose, node-dogstatsd, pino, prometheus-gc-stats, reactflow, @lezer/highlight, rc-scrollbars, react-split-pane, jose, Cheerio, typia, css-mediaquery, style-dictionary, react-stately, katex, @hono/node-server, css-vars-ponyfill, emoji-mart, mdast-util-to-string, remark-parse, remark-stringify, unified, ajv-formats, opentelemetry, @react-aria/visually-hidden, overlayscrollbars-react, overlayscrollbars, re-resizable, @react-aria/toolbar, @livekit/components-react

## Side by side

| | metamask-extension | Rocket.Chat |
|---|---|---|
| Size | 1,537,435 lines written, 4,002 code files | 943,798 lines written, 8,398 code files |
| Who writes it | 3.8% of its commits signed by AI. With Cursor, GitHub Copilot, Claude Code, and Devin | 1% of its commits signed by AI. With Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin |
| Activity | Last push November 10, 2026, 29,106 commits, 13,252 stars | Last push November 10, 2026, 25,089 commits, 46,384 stars |
| Tests | 3,172 test files. 61.5% of its code files have a test that imports them | 2,085 test files. 17.8% 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, metamask-extension or Rocket.Chat?

metamask-extension, with 1,537,435 lines written; Rocket.Chat has 943,798.

The proof: [MetaMask/metamask-extension's code at commit 854e9e7](https://github.com/MetaMask/metamask-extension/tree/854e9e71def3295fe90b18a74fb8b5bbdfaef105)

### Which has more GitHub stars, metamask-extension or Rocket.Chat?

Rocket.Chat, with 46,384 stars; metamask-extension has 13,252.

The proof: [RocketChat/Rocket.Chat on GitHub](https://github.com/RocketChat/Rocket.Chat)

### Which has more tests, metamask-extension or Rocket.Chat?

metamask-extension, with 3,172 test files; Rocket.Chat has 2,085.

The proof: [MetaMask/metamask-extension's code at commit 854e9e7](https://github.com/MetaMask/metamask-extension/tree/854e9e71def3295fe90b18a74fb8b5bbdfaef105)

### Which was updated more recently, metamask-extension or Rocket.Chat?

Both got their last push on November 10, 2026.

The proof: [RocketChat/Rocket.Chat's commits on GitHub](https://github.com/RocketChat/Rocket.Chat/commits)

### Which has more commits signed by AI, metamask-extension or Rocket.Chat?

metamask-extension: an AI signed 3.8% of its commits, with Cursor, GitHub Copilot, Claude Code, and Devin; in Rocket.Chat, 1%.

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

## Sources

- MetaMask/metamask-extension: Read on November 10, 2026, at commit 854e9e7 (https://github.com/MetaMask/metamask-extension/tree/854e9e71def3295fe90b18a74fb8b5bbdfaef105)
- RocketChat/Rocket.Chat: Read on November 10, 2026, at commit f37d829 (https://github.com/RocketChat/Rocket.Chat/tree/f37d829885e89b3dc3bd22e1eac06d0e005fd644)

## 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.