Source: https://seerepo.com/compare/calcom/cal.diy/vs/trycompai/crm
Markdown source: https://seerepo.com/compare/calcom/cal.diy/vs/trycompai/crm.md
Description: cal.diy and crm share 21 technologies: Next.js, NestJS, Postgres, React, Vercel, PostHog, @trpc/server, tRPC, helmet, class-validator, class-transformer, Zod, Tailwind CSS, next-themes, class-variance-authority, sonner, Radix UI, Lucide, tailwind-merge, cmdk, and react-day-picker. Both are written in TypeScript.

# cal.diy vs crm

cal.diy and crm share 21 technologies: Next.js, NestJS, Postgres, React, Vercel, PostHog, @trpc/server, tRPC, helmet, class-validator, class-transformer, Zod, Tailwind CSS, next-themes, class-variance-authority, sonner, Radix UI, Lucide, tailwind-merge, cmdk, and react-day-picker. Both are written in TypeScript.

- [calcom/cal.diy](https://seerepo.com/r/calcom/cal.diy): Scheduling infrastructure for absolutely everyone.
- [trycompai/crm](https://seerepo.com/r/trycompai/crm): Comp AI CRM is an open source, CRM designed for AI agents. Agentic-first CRM.

## What they share and what sets them apart

- In common: Next.js, NestJS, Postgres, React, Vercel, PostHog, @trpc/server, tRPC, helmet, class-validator, class-transformer, Zod, Tailwind CSS, next-themes, class-variance-authority, sonner, Radix UI, Lucide, tailwind-merge, cmdk, react-day-picker
- Only in cal.diy: connect, @nestjs/bull, @nest-lab/throttler-storage-redis, bull, Redis, Google, Sentry, Stripe, @next/third-parties, lru-cache, kysely, next-auth, @axiomhq/winston, nest-winston, tslog, winston, winston-transport, classnames, React Hook Form, TanStack, Framer, @formkit/auto-animate, 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, jose, otplib, markdown-it, qrcode, react-qr-code, @hookform/resolvers, @todesktop/client-core, ink, ink-text-input, ink-select-input, @googleapis/oauth2, ical.js, Base UI, entities, nodemailer, bcryptjs, handlebars, @trigger.dev/sdk, @sendgrid/client, dompurify, jimp, remove-markdown, sanitize-html, sharp, turndown, marked, Prisma, node-html-parser, node-ical, lexical, react-easy-crop, react-colorful, @lexical/markdown
- Only in crm: MCP, @nestjs/cache-manager, cache-manager, @keyv/redis, eve, ai, Better Auth, @carbon/icons-react, shiki, motion, @shadcn/react, recharts, dnd-kit, vaul, Simple Icons, streamdown

## Side by side

| | cal.diy | crm |
|---|---|---|
| Size | 554,774 lines written, 4,286 code files | 136,893 lines written, 746 code files |
| Who writes it | 6.3% of its commits signed by AI. With Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot | 11.4% of its commits signed by AI. With Claude Code and Codex |
| Activity | Last push November 11, 2026, 16,071 commits, 49,990 stars | Last push November 1, 2026, 185 commits, 11,939 stars |
| Tests | 645 test files. 14.9% of its code files have a test that imports them | 139 test files. 23.7% 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, cal.diy or crm?

cal.diy, with 554,774 lines written; crm has 136,893.

The proof: [calcom/cal.diy's code at commit ef7954d](https://github.com/calcom/cal.diy/tree/ef7954d16ab50882ca2f263c551537115b8a8bb1)

### Which has more GitHub stars, cal.diy or crm?

cal.diy, with 49,990 stars; crm has 11,939.

The proof: [calcom/cal.diy on GitHub](https://github.com/calcom/cal.diy)

### Which has more tests, cal.diy or crm?

cal.diy, with 645 test files; crm has 139.

The proof: [calcom/cal.diy's code at commit ef7954d](https://github.com/calcom/cal.diy/tree/ef7954d16ab50882ca2f263c551537115b8a8bb1)

### Which was updated more recently, cal.diy or crm?

cal.diy: its last push was on November 11, 2026, and crm's on November 1, 2026.

The proof: [calcom/cal.diy's commits on GitHub](https://github.com/calcom/cal.diy/commits)

### Which has more commits signed by AI, cal.diy or crm?

crm: an AI signed 11.4% of its commits, with Claude Code and Codex; in cal.diy, 6.3%.

The proof: [the commits each tool signed in trycompai/crm](https://seerepo.com/r/trycompai/crm/ai)

## Sources

- calcom/cal.diy: Read on November 13, 2026, at commit ef7954d (https://github.com/calcom/cal.diy/tree/ef7954d16ab50882ca2f263c551537115b8a8bb1)
- trycompai/crm: Read on November 11, 2026, at commit c9473b8 (https://github.com/trycompai/crm/tree/c9473b82e3b4bfd5d0598bbdf7c1f36f3d2d68f0)

## 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.