Source: https://seerepo.com/compare/calcom/cal.diy/vs/omnivore-app/omnivore
Markdown source: https://seerepo.com/compare/calcom/cal.diy/vs/omnivore-app/omnivore.md
Description: cal.diy and omnivore share 14 technologies: Next.js, Postgres, Redis, Google, Sentry, React, PostHog, winston, Radix UI, bcryptjs, markdown-it, nodemailer, dompurify, and sanitize-html. Both are written in TypeScript.

# cal.diy vs omnivore

cal.diy and omnivore share 14 technologies: Next.js, Postgres, Redis, Google, Sentry, React, PostHog, winston, Radix UI, bcryptjs, markdown-it, nodemailer, dompurify, and sanitize-html. Both are written in TypeScript.

- [calcom/cal.diy](https://seerepo.com/r/calcom/cal.diy): Scheduling infrastructure for absolutely everyone.
- [omnivore-app/omnivore](https://seerepo.com/r/omnivore-app/omnivore): Omnivore is a complete, open source read-it-later solution for people who like reading.

## What they share and what sets them apart

- In common: Next.js, Postgres, Redis, Google, Sentry, React, PostHog, winston, Radix UI, bcryptjs, markdown-it, nodemailer, dompurify, sanitize-html
- Only in cal.diy: connect, @nestjs/core, @nestjs/bull, @nest-lab/throttler-storage-redis, bull, Stripe, NestJS, @next/third-parties, Vercel, @trpc/server, tRPC, lru-cache, kysely, next-auth, helmet, class-validator, class-transformer, Zod, nest-winston, tslog, winston-transport, Tailwind CSS, classnames, next-themes, class-variance-authority, React Hook Form, TanStack, sonner, Framer, @formkit/auto-animate, react-select, react-inlinesvg, react-sticky-box, Lucide, jose, otplib, node-html-parser, qrcode, react-qr-code, @hookform/resolvers, ink, ink-text-input, ink-select-input, ical.js, tailwind-merge, Base UI, entities, handlebars, jimp, remove-markdown, sharp, turndown, marked, Prisma, node-ical, lexical, react-easy-crop, cmdk, react-colorful, react-day-picker, @lexical/markdown
- Only in omnivore: androidx.compose.runtime:runtime-livedata, Jetpack Compose, androidx.navigation:navigation-compose, androidx.hilt:hilt-navigation-compose, androidx.datastore:datastore-preferences, Firebase, com.google.dagger:hilt-android, core-ktx, lifecycle-livedata-ktx, lifecycle-runtime-compose, lifecycle-viewmodel-savedstate, Express, express-graphql, bullmq, Google Cloud, aws-sdk, rate-limit-redis, @apollo/server, @as-integrations/express5, OpenAI, @react-native-async-storage/async-storage, ui-util, MarkdownUI, androidx.appcompat:appcompat, androidx.core:core-splashscreen, com.google.accompanist:accompanist-flowlayout, material-icons-extended, room-ktx, room-runtime, coil-compose, compose-markdown, TypeORM, jsonwebtoken, jwks-rsa, LangChain, linkedom, showdown, rss-parser, @sendgrid/mail, addressparser, fast-xml-parser, html-entities, image-size, mailparser, node-html-markdown, node-mailjet, sax, yaml, prom-client, @google-cloud/opentelemetry-cloud-trace-exporter, @opentelemetry/exporter-jaeger, express-prom-bundle, parse-srcset, microsoft-cognitiveservices-speech-sdk, natural, html-to-text, imapflow, kbar, @floating-ui/react, antd, react-hot-toast, react-markdown-editor-lite, react-topbar-progress-indicator, react-dropzone, react-spinners, react-arborist, allotment, re-resizable, react-color, react-input-autosize, use-resize-observer, yet-another-react-lightbox, @phosphor-icons/react, pdfjs-dist, react-markdown, remark-gfm, epubjs

## Side by side

| | cal.diy | omnivore |
|---|---|---|
| Size | 554,567 lines written, 4,308 code files | 540,180 lines written, 1,314 code files |
| Who writes it | 6.3% of its commits signed by AI. With Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot | 0% of its commits signed by AI. With GitHub Copilot |
| Activity | Last push November 3, 2026, 16,069 commits, 49,716 stars | Last push November 6, 2026, 9,396 commits, 16,408 stars |
| Tests | 644 test files. 14.8% of its code files have a test that imports them | 470 test files. 8.2% 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 omnivore?

cal.diy, with 554,567 lines written; omnivore has 540,180.

The proof: [calcom/cal.diy's code at commit 2eb48ec](https://github.com/calcom/cal.diy/tree/2eb48eccd8aca8a0c0ffabf28cf92e298b33ecee)

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

cal.diy, with 49,716 stars; omnivore has 16,408.

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

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

cal.diy, with 644 test files; omnivore has 470.

The proof: [calcom/cal.diy's code at commit 2eb48ec](https://github.com/calcom/cal.diy/tree/2eb48eccd8aca8a0c0ffabf28cf92e298b33ecee)

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

omnivore: its last push was on November 6, 2026, and cal.diy's on November 3, 2026.

The proof: [omnivore-app/omnivore's commits on GitHub](https://github.com/omnivore-app/omnivore/commits)

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

cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot.

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

## Sources

- calcom/cal.diy: Read on November 5, 2026, at commit 2eb48ec (https://github.com/calcom/cal.diy/tree/2eb48eccd8aca8a0c0ffabf28cf92e298b33ecee)
- omnivore-app/omnivore: Read on November 7, 2026, at commit 4cdfc3d (https://github.com/omnivore-app/omnivore/tree/4cdfc3d75bd1b7de203f24b812541c58df30209f)

## 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.