crystal vs Rocket.Chat
crystal and Rocket.Chat share 5 technologies: Express, Hono, React, @hono/node-server, and react-error-boundary. Both are written in TypeScript.
LinkedInWhat they share and what sets them apart
graphile
crystal
🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!
TypeScript12.9kRead on November 10, 2026, at commit 1c037b4What is crystal built with?Only in crystal
- Postgres
- Fastify
- Koa
graphql-http
- @whatwg-node/server
- H3
- graphiql
- Mermaid
- @graphiql/toolkit
- jsonwebtoken
In common
RocketChat
Rocket.Chat
The Secure CommsOS™ for mission-critical operations
TypeScript46.4kRead on November 10, 2026, at commit f37d829What is Rocket.Chat built with?Only in Rocket.Chat
- Vite
- MongoDB
- bson
- ldapjs
aws-sdk
- connect-mongo
- Google Cloud
localforage
AWS S3- RTM
connect
- Moleculer
@slack/bolt
react-router-dom
polka
- mongo-message-queue
- Preact
- preact-router
- history
- GitHub
- LiveKit
stylis
- React Hook Form
react-aria
- react-virtuoso
- Chart.js
nivo
- virtua
- 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
- dompurify
- sharp
@xmldom/xmldom
- mailparser
nodemailer
- csv-parse
- exif-be-gone
- file-type
highlight.js
string-strip-html
@react-pdf/renderer
- he
- 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
@hello-pangea/dnd
- @lezer/highlight
rc-scrollbars
- react-split-pane
- jose
- Cheerio
typia
- css-mediaquery
style-dictionary
katex
- css-vars-ponyfill
emoji-mart
- mdast-util-to-string
- remark-parse
- remark-stringify
unified
- ajv-formats
- opentelemetry
overlayscrollbars-react
re-resizable
- @livekit/components-react
Side by side
crystalRocket.Chat
SizeLines written by people and agents, without generated ones; code files, without tests.
crystal878,730 lines written536 code files
Rocket.Chat943,798 lines written8,398 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
crystal0% of its commits signed by AIWith GitHub Copilot
Rocket.Chat1% of its commits signed by AIWith Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin
ActivityFrom GitHub and its history, on the day SeeRepo read it.
crystalLast push November 9, 202615,796 commits12,934 stars
Rocket.ChatLast push November 10, 202625,089 commits46,384 stars
TestsThe files that test the code, and the share of code files a test imports.
crystal250 test files5.6% of its code files have a test that imports them
Rocket.Chat2,085 test files17.8% of its code files have a test that imports them
Frequently asked questions
Which is bigger, crystal or Rocket.Chat?
Rocket.Chat, with 943,798 lines written; crystal has 878,730.
Which has more GitHub stars, crystal or Rocket.Chat?
Rocket.Chat, with 46,384 stars; crystal has 12,934.
The proof: RocketChat/Rocket.Chat on GitHub
Which has more tests, crystal or Rocket.Chat?
Rocket.Chat, with 2,085 test files; crystal has 250.
Which was updated more recently, crystal or Rocket.Chat?
Rocket.Chat: its last push was on November 10, 2026, and crystal's on November 9, 2026.
The proof: RocketChat/Rocket.Chat's commits on GitHub
Which has more commits signed by AI, crystal or Rocket.Chat?
Rocket.Chat: an AI signed 1% of its commits, with Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin.
The proof: the commits each tool signed in RocketChat/Rocket.Chat
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