Source: https://seerepo.com/compare/decaporg/decap-cms/vs/RocketChat/Rocket.Chat
Markdown source: https://seerepo.com/compare/decaporg/decap-cms/vs/RocketChat/Rocket.Chat.md
Description: decap-cms and Rocket.Chat share 13 technologies: React, react-router-dom, history, localforage, Express, react-split-pane, Ajv, codemirror, mdast-util-to-string, dompurify, remark-parse, remark-stringify, and unified. decap-cms is written in JavaScript and Rocket.Chat in TypeScript.

# decap-cms vs Rocket.Chat

decap-cms and Rocket.Chat share 13 technologies: React, react-router-dom, history, localforage, Express, react-split-pane, Ajv, codemirror, mdast-util-to-string, dompurify, remark-parse, remark-stringify, and unified. decap-cms is written in JavaScript and Rocket.Chat in TypeScript.

- [decaporg/decap-cms](https://seerepo.com/r/decaporg/decap-cms): A Git-based CMS for Static Site Generators
- [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, history, localforage, Express, react-split-pane, Ajv, codemirror, mdast-util-to-string, dompurify, remark-parse, remark-stringify, unified
- Only in decap-cms: create-react-class, MCP, unist-util-visit, yaml, @emotion/styled, prop-types, jwt-decode, emotion, react-toastify, react-frame-component, react-dnd, react-dnd-html5-backend, react-modal, react-virtualized-auto-sizer, react-window, gray-matter, react-markdown, remark-gfm, sanitize-filename, react-immutable-proptypes, ajv-errors, ajv-keywords, react-transition-group, @emotion/react, react-select, react-color, dnd-kit, ol, slate, slate-react, slate-history, commonmark, commonmark-spec, mdast-util-definitions, rehype-parse, rehype-remark, rehype-remove-comments, rehype-stringify, remark, unist-util-visit-parents, react-textarea-autosize, @hapi/joi, winston, morgan
- Only in Rocket.Chat: Vite, MongoDB, bson, ldapjs, aws-sdk, Google Cloud, AWS S3, Hono, connect, @slack/bolt, polka, Preact, GitHub, LiveKit, stylis, React Hook Form, react-virtuoso, react-aria, Chart.js, virtua, nivo, react-error-boundary, swagger-ui-express, Swiper, emojibase-data, Passport, bcrypt, @node-oauth/oauth2-server, express-session, passport-apple, passport-github2, passport-google-oauth20, sharp, @xmldom/xmldom, mailparser, nodemailer, csv-parse, file-type, highlight.js, @react-pdf/renderer, he, is-svg, json-2-csv, juice, marked, sanitize-html, Zod, cron-validator, prom-client, @bugsnag/js, pino, reactflow, @hello-pangea/dnd, @lezer/highlight, jose, Cheerio, typia, css-mediaquery, style-dictionary, react-stately, katex, @hono/node-server, emoji-mart, ajv-formats, opentelemetry, overlayscrollbars-react, overlayscrollbars, re-resizable, @react-aria/focus

## Side by side

| | decap-cms | Rocket.Chat |
|---|---|---|
| Size | 137,466 lines written, 528 code files | 937,658 lines written, 8,385 code files |
| Who writes it | 2.7% of its commits signed by AI. With Claude Code and GitHub Copilot | 0.9% of its commits signed by AI. With Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin |
| Activity | Last push November 1, 2026, 4,580 commits, 19,459 stars | Last push November 6, 2026, 25,061 commits, 46,374 stars |
| Tests | 262 test files. 34.1% of its code files have a test that imports them | 2,056 test files. 17% 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, decap-cms or Rocket.Chat?

Rocket.Chat, with 937,658 lines written; decap-cms has 137,466.

The proof: [RocketChat/Rocket.Chat's code at commit 70825b1](https://github.com/RocketChat/Rocket.Chat/tree/70825b185fb65335383ad3e491be29883047174d)

### Which has more GitHub stars, decap-cms or Rocket.Chat?

Rocket.Chat, with 46,374 stars; decap-cms has 19,459.

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

### Which has more tests, decap-cms or Rocket.Chat?

Rocket.Chat, with 2,056 test files; decap-cms has 262.

The proof: [RocketChat/Rocket.Chat's code at commit 70825b1](https://github.com/RocketChat/Rocket.Chat/tree/70825b185fb65335383ad3e491be29883047174d)

### Which was updated more recently, decap-cms or Rocket.Chat?

Rocket.Chat: its last push was on November 6, 2026, and decap-cms's on November 1, 2026.

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

### Which has more commits signed by AI, decap-cms or Rocket.Chat?

decap-cms: an AI signed 2.7% of its commits, with Claude Code and GitHub Copilot; in Rocket.Chat, 0.9%.

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

## Sources

- decaporg/decap-cms: Read on November 6, 2026, at commit 61ceb6e (https://github.com/decaporg/decap-cms/tree/61ceb6e0680bb0362dba6d0cfe346c51e3ca3a58)
- RocketChat/Rocket.Chat: Read on November 6, 2026, at commit 70825b1 (https://github.com/RocketChat/Rocket.Chat/tree/70825b185fb65335383ad3e491be29883047174d)

## 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.
