cal.diy vs TREK
cal.diy and TREK share 14 technologies: @nestjs/core, NestJS, React, kysely, helmet, Zod, Tailwind CSS, Lucide, bcryptjs, otplib, qrcode, nodemailer, jimp, and sharp. Both are written in TypeScript.
LinkedInWhat they share and what sets them apart
calcom
cal.diy
Scheduling infrastructure for absolutely everyone.
TypeScript49.7kRead on November 5, 2026, at commit 2eb48ecWhat is cal.diy built with?Only in cal.diy
connect
- Next.js
- Postgres
- @nestjs/bull
- @nest-lab/throttler-storage-redis
- bull
- Redis
- Sentry
- Stripe
- @next/third-parties
- Vercel
PostHog- @trpc/server
- tRPC
- lru-cache
next-auth
- class-validator
- class-transformer
- nest-winston
tslog
winston
winston-transport
- classnames
- next-themes
class-variance-authority
- React Hook Form
- TanStack
sonner
- Framer
@formkit/auto-animate
- Radix UI
- react-select
- react-inlinesvg
react-sticky-box
- jose
markdown-it
- node-html-parser
react-qr-code
@hookform/resolvers
ink
- ink-text-input
- ink-select-input
- ical.js
tailwind-merge
- Base UI
- entities
- handlebars
- dompurify
- remove-markdown
- sanitize-html
- turndown
marked
- Prisma
- node-ical
lexical
- react-easy-crop
- cmdk
- react-colorful
react-day-picker
In common
liketrek
TREK
The most complete open-source travel planner: real-time collaboration, bookings, budgets, packing lists, journals, offline PWA, SSO and an AI-ready MCP server, with planet-wide place search and routing built in.
TypeScript15.4kRead on November 8, 2026, at commit dc36c21What is TREK built with?Only in TREK
- Vite
- React Router
dexie
- Express
- SQLite
fontsource
- Leaflet
react-leaflet
- Mapbox
- MapLibre
- plyr
react-dropzone
@simplewebauthn/browser
@assistant-ui/react
- react-markdown
remark-gfm
remark-breaks
rehype-sanitize
- heic-to
- modern-screenshot
@clack/prompts
- mikro-orm
- jsonwebtoken
- fast-xml-parser
- pdf-parse
- exifr
nestjs-zod
- isomorphic-dompurify
Side by side
cal.diyTREK
SizeLines written by people and agents, without generated ones; code files, without tests.
cal.diy554,567 lines written4,308 code files
TREK2,173,833 lines written7,272 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.
cal.diy6.3% of its commits signed by AIWith Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot
TREK1.3% of its commits signed by AIWith Claude Code, Codex, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cal.diyLast push November 3, 202616,069 commits49,716 stars
TREKLast push November 8, 20264,393 commits15,430 stars
TestsThe files that test the code, and the share of code files a test imports.
cal.diy644 test files14.8% of its code files have a test that imports them
TREK3,464 test files47.8% of its code files have a test that imports them
Frequently asked questions
Which is bigger, cal.diy or TREK?
TREK, with 2,173,833 lines written; cal.diy has 554,567.
The proof: liketrek/TREK's code at commit dc36c21
Which has more GitHub stars, cal.diy or TREK?
cal.diy, with 49,716 stars; TREK has 15,430.
The proof: calcom/cal.diy on GitHub
Which has more tests, cal.diy or TREK?
TREK, with 3,464 test files; cal.diy has 644.
The proof: liketrek/TREK's code at commit dc36c21
Which was updated more recently, cal.diy or TREK?
TREK: its last push was on November 8, 2026, and cal.diy's on November 3, 2026.
The proof: liketrek/TREK's commits on GitHub
Which has more commits signed by AI, cal.diy or TREK?
cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in TREK, 1.3%.
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