atproto vs cal.diy
atproto and cal.diy share 15 technologies: Postgres, Redis, lru-cache, React, TanStack, Zod, kysely, jose, sharp, Tailwind CSS, class-variance-authority, tailwind-merge, Base UI, Lucide, and nodemailer. Both are written in TypeScript.
What they share and what sets them apart
bluesky-social
atproto
Social networking technology created by Bluesky
TypeScript9.7kRead on November 14, 2026, at commit 9f605e0What is atproto built with?Only in atproto
@aws-sdk/lib-storage
AWS S3- Express
- SQLite
- Expo
react-native-mmkv
- Vite
@opentelemetry/instrumentation-ioredis
@hapi/address
- disposable-email-domains-js
- @opentelemetry/semantic-conventions
- pino
pino-http
- OpenTelemetry
@standard-schema/spec
- com.nimbusds:nimbus-jose-jwt
react-error-boundary
@hcaptcha/react-hcaptcha
- lande
- prom-client
@opentelemetry/instrumentation-pg
- file-type
@opentelemetry/instrumentation-aws-sdk
In common
calcom
cal.diy
Scheduling infrastructure for absolutely everyone.
TypeScript50kRead on November 13, 2026, at commit ef7954dWhat is cal.diy built with?Only in cal.diy
connect
- Next.js
- NestJS
- @nestjs/bull
- @nest-lab/throttler-storage-redis
- bull
- Sentry
- Stripe
- @next/third-parties
- Vercel
PostHog
- @trpc/server
- tRPC
next-auth
helmet
- class-validator
- class-transformer
@axiomhq/winston
- nest-winston
tslog
winston
winston-transport
- classnames
- next-themes
- React Hook Form
sonner
- Framer
@formkit/auto-animate
- Radix UI
- react-select
@hookform/error-message
- react-digit-input
- react-inlinesvg
@dub/embed-react
- Glide
- kbar
- react-phone-input-2
react-sticky-box
- react-timezone-select
- react-turnstile
- otplib
markdown-it
- qrcode
react-qr-code
@hookform/resolvers
@todesktop/client-core
ink
- ink-text-input
- ink-select-input
@googleapis/oauth2
- ical.js
- entities
- bcryptjs
- handlebars
@trigger.dev/sdk
@sendgrid/client
- dompurify
jimp
- remove-markdown
- sanitize-html
- turndown
marked
- Prisma
- node-html-parser
- node-ical
- lexical
- react-easy-crop
- cmdk
- react-colorful
react-day-picker
@lexical/markdown
Side by side
atprotocal.diy
SizeLines written by people and agents, without generated ones; code files, without tests.
atproto385,793 lines written1,878 code files
cal.diy554,774 lines written4,286 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.
atproto3.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Codex
cal.diy6.3% of its commits signed by AIWith Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
atprotoLast push November 14, 20263,489 commits9,728 stars
cal.diyLast push November 11, 202616,071 commits49,990 stars
TestsThe files that test the code, and the share of code files a test imports.
atproto556 test files22.9% of its code files have a test that imports them
cal.diy645 test files14.9% of its code files have a test that imports them
Frequently asked questions
Which is bigger, atproto or cal.diy?
cal.diy, with 554,774 lines written; atproto has 385,793.
The proof: calcom/cal.diy's code at commit ef7954d
Which has more GitHub stars, atproto or cal.diy?
cal.diy, with 49,990 stars; atproto has 9,728.
The proof: calcom/cal.diy on GitHub
Which has more tests, atproto or cal.diy?
cal.diy, with 645 test files; atproto has 556.
The proof: calcom/cal.diy's code at commit ef7954d
Which was updated more recently, atproto or cal.diy?
atproto: its last push was on November 14, 2026, and cal.diy's on November 11, 2026.
The proof: bluesky-social/atproto's commits on GitHub
Which has more commits signed by AI, atproto or cal.diy?
cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in atproto, 3.2%.
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