Source: https://seerepo.com/compare/OpenCTI-Platform/opencti/vs/RocketChat/Rocket.Chat
Markdown source: https://seerepo.com/compare/OpenCTI-Platform/opencti/vs/RocketChat/Rocket.Chat.md
Description: opencti and Rocket.Chat share 20 technologies: Vite, React, Express, reactflow, @hello-pangea/dnd, dompurify, marked, is-svg, remark-parse, Passport, jose, aws-sdk, express-session, csv-parse, file-type, nodemailer, sanitize-html, Ajv, Zod, and ajv-formats. Both are written in TypeScript.

# opencti vs Rocket.Chat

opencti and Rocket.Chat share 20 technologies: Vite, React, Express, reactflow, @hello-pangea/dnd, dompurify, marked, is-svg, remark-parse, Passport, jose, aws-sdk, express-session, csv-parse, file-type, nodemailer, sanitize-html, Ajv, Zod, and ajv-formats. Both are written in TypeScript.

- [OpenCTI-Platform/opencti](https://seerepo.com/r/OpenCTI-Platform/opencti): Open Cyber Threat Intelligence Platform
- [RocketChat/Rocket.Chat](https://seerepo.com/r/RocketChat/Rocket.Chat): Interoperable by design. Governed by you. Open-source, secure platform for messaging, voice, video and governed AI, built for defense and government.

## What they share and what sets them apart

- In common: Vite, React, Express, reactflow, @hello-pangea/dnd, dompurify, marked, is-svg, remark-parse, Passport, jose, aws-sdk, express-session, csv-parse, file-type, nodemailer, sanitize-html, Ajv, Zod, ajv-formats
- Only in opencti: FastAPI, pika, starlette, uvicorn, react-relay, React Router, lru-cache, amqplib, Redis, @aws-sdk/lib-storage, @sesamecare-oss/redlock, Elastic, OpenSearch, Mistral AI, OpenAI, @apollo/server, graphql-scalars, @as-integrations/express5, sphinx-rtd-theme, pyjwt, Pydantic, python-json-logger, prometheus-client, boto3, OpenTelemetry, opentelemetry-exporter-prometheus, MUI, Formik, apexcharts, jsonforms, react-force-graph-2d, react-mde, react-syntax-highlighter, react-virtualized, react-virtualized-auto-sizer, D3, react-grid-layout, rjsf, @graphiql/toolkit, d3-timer, MapLibre, react-apexcharts, react-color, react-draggable, react-transition-group, recharts, three-spritetext, @mui/icons-material, pdfmake, html-react-parser, react-markdown, react-pdf, qrcode, html-to-image, markdown-to-jsx, remark-gfm, yup, prop-types, @cfworker/json-schema, @rjsf/utils, @opentelemetry/sdk-logs, bcryptjs, @node-saml/passport-saml, helmet, jwt-decode, openid-client, passport-ldapauth, otplib, passport-facebook, passport-google-oauth, passport-local, LangChain, EJS, turndown, xml2js, validator, @aws-sdk/types, @pyroscope/nodejs, winston, winston-daily-rotate-file
- Only in Rocket.Chat: Hono, MongoDB, bson, ldapjs, connect-mongo, Google Cloud, localforage, AWS S3, RTM, connect, Moleculer, @slack/bolt, react-router-dom, polka, mongo-message-queue, Preact, history, GitHub, LiveKit, stylis, React Hook Form, react-aria, react-virtuoso, Chart.js, nivo, virtua, react-error-boundary, codemirror, swagger-ui-express, Swiper, emojibase-data, @node-oauth/oauth2-server, bcrypt, generate-password, passport-apple, passport-github2, passport-google-oauth20, passport-oauth2, speakeasy, xml-encryption, sharp, @xmldom/xmldom, mailparser, exif-be-gone, highlight.js, string-strip-html, @react-pdf/renderer, he, imap, json-2-csv, juice, yaqrcode, cron-validator, prom-client, bugsnag, node-dogstatsd, pino, prometheus-gc-stats, @lezer/highlight, rc-scrollbars, react-split-pane, Cheerio, typia, css-mediaquery, style-dictionary, react-stately, katex, @hono/node-server, css-vars-ponyfill, emoji-mart, mdast-util-to-string, remark-stringify, unified, opentelemetry, @react-aria/visually-hidden, overlayscrollbars-react, overlayscrollbars, re-resizable, @react-aria/toolbar, @livekit/components-react

## Side by side

| | opencti | Rocket.Chat |
|---|---|---|
| Size | 1,058,731 lines written, 4,152 code files | 948,336 lines written, 8,409 code files |
| Who writes it | 1.7% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 1% of its commits signed by AI. With Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin |
| Activity | Last push November 13, 2026, 14,738 commits, 10,360 stars | Last push November 13, 2026, 25,153 commits, 46,503 stars |
| Tests | 1,727 test files. 28.2% of its code files have a test that imports them | 2,110 test files. 18% 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, opencti or Rocket.Chat?

opencti, with 1,058,731 lines written; Rocket.Chat has 948,336.

The proof: [OpenCTI-Platform/opencti's code at commit 76306f3](https://github.com/OpenCTI-Platform/opencti/tree/76306f3f08eaced718557776cce3a7e0b868d666)

### Which has more GitHub stars, opencti or Rocket.Chat?

Rocket.Chat, with 46,503 stars; opencti has 10,360.

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

### Which has more tests, opencti or Rocket.Chat?

Rocket.Chat, with 2,110 test files; opencti has 1,727.

The proof: [RocketChat/Rocket.Chat's code at commit 1290222](https://github.com/RocketChat/Rocket.Chat/tree/12902221714c90a3ba6794a9fc18ace2b3c6fdba)

### Which was updated more recently, opencti or Rocket.Chat?

Both got their last push on November 13, 2026.

The proof: [OpenCTI-Platform/opencti's commits on GitHub](https://github.com/OpenCTI-Platform/opencti/commits)

### Which has more commits signed by AI, opencti or Rocket.Chat?

opencti: an AI signed 1.7% of its commits, with Claude Code, GitHub Copilot, and Cursor; in Rocket.Chat, 1%.

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

## Sources

- OpenCTI-Platform/opencti: Read on November 13, 2026, at commit 76306f3 (https://github.com/OpenCTI-Platform/opencti/tree/76306f3f08eaced718557776cce3a7e0b868d666)
- RocketChat/Rocket.Chat: Read on November 13, 2026, at commit 1290222 (https://github.com/RocketChat/Rocket.Chat/tree/12902221714c90a3ba6794a9fc18ace2b3c6fdba)

## 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.