Source: https://seerepo.com/compare/calcom/cal.diy/vs/labring/sealos
Markdown source: https://seerepo.com/compare/calcom/cal.diy/vs/labring/sealos.md
Description: cal.diy and sealos share 19 technologies: Next.js, Postgres, Stripe, React, Zod, Tailwind CSS, class-variance-authority, React Hook Form, sonner, Framer, Radix UI, Lucide, @hookform/resolvers, tailwind-merge, nodemailer, dompurify, sharp, Prisma, and react-day-picker. cal.diy is written in TypeScript and sealos in Go.

# cal.diy vs sealos

cal.diy and sealos share 19 technologies: Next.js, Postgres, Stripe, React, Zod, Tailwind CSS, class-variance-authority, React Hook Form, sonner, Framer, Radix UI, Lucide, @hookform/resolvers, tailwind-merge, nodemailer, dompurify, sharp, Prisma, and react-day-picker. cal.diy is written in TypeScript and sealos in Go.

- [calcom/cal.diy](https://seerepo.com/r/calcom/cal.diy): Scheduling infrastructure for absolutely everyone.
- [labring/sealos](https://seerepo.com/r/labring/sealos): Deploy real projects from GitHub or your AI coding agent, then keep them running with AI-powered operations.

## What they share and what sets them apart

- In common: Next.js, Postgres, Stripe, React, Zod, Tailwind CSS, class-variance-authority, React Hook Form, sonner, Framer, Radix UI, Lucide, @hookform/resolvers, tailwind-merge, nodemailer, dompurify, sharp, Prisma, react-day-picker
- Only in cal.diy: connect, @nestjs/core, @nestjs/bull, @nest-lab/throttler-storage-redis, bull, Redis, Google, Sentry, NestJS, @next/third-parties, Vercel, PostHog, @trpc/server, tRPC, lru-cache, kysely, next-auth, helmet, class-validator, class-transformer, nest-winston, tslog, winston, winston-transport, classnames, next-themes, TanStack, @formkit/auto-animate, react-select, react-inlinesvg, react-sticky-box, bcryptjs, jose, otplib, markdown-it, node-html-parser, qrcode, react-qr-code, ink, ink-text-input, ink-select-input, ical.js, Base UI, entities, handlebars, jimp, remove-markdown, sanitize-html, turndown, marked, node-ical, lexical, react-easy-crop, cmdk, react-colorful, @lexical/markdown
- Only in sealos: Gin, go.mongodb.org/mongo-driver, pq, MongoDB, etcd, MinIO, go.etcd.io/etcd/api/v3, go.etcd.io/etcd/client/pkg/v3, github.com/patrickmn/go-cache, Alipay, sigs.k8s.io/controller-runtime, github.com/schollz/progressbar/v3, github.com/manifoldco/promptui, gorm.io/gorm, github.com/golang-jwt/jwt/v4, github.com/sirupsen/logrus, github.com/go-logr/logr, Docker, Kubernetes, go.uber.org/zap, Prometheus, gopkg.in/natefinch/lumberjack.v2, Helm, containerd, github.com/prometheus/client_model, github.com/prometheus/common, k8s.io/klog/v2, Chakra UI, boring-avatars, react-draggable, nprogress, @chakra-ui/icons, jwt-decode, jsonwebtoken, @marsidev/react-turnstile, js-yaml, qrcode.react, xml2js, disposable-email-domains-js, @kubernetes/client-node, @chakra-ui/react, react-syntax-highlighter, react-markdown, echarts, echarts-for-react, @tanstack/react-table, react-zoom-pan-pinch, @zumer/snapdom

## Side by side

| | cal.diy | sealos |
|---|---|---|
| Size | 554,567 lines written, 4,308 code files | 260,606 lines written, 1,379 code files |
| Who writes it | 6.3% of its commits signed by AI. With Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot | 1.1% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 3, 2026, 16,069 commits, 49,716 stars | Last push November 6, 2026, 4,533 commits, 18,392 stars |
| Tests | 644 test files. 14.8% of its code files have a test that imports them | 325 test files. 24.8% 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 sealos?

cal.diy, with 554,567 lines written; sealos has 260,606.

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 sealos?

cal.diy, with 49,716 stars; sealos has 18,392.

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

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

cal.diy, with 644 test files; sealos has 325.

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 sealos?

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

The proof: [labring/sealos's commits on GitHub](https://github.com/labring/sealos/commits)

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

cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in sealos, 1.1%.

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)
- labring/sealos: Read on November 6, 2026, at commit 871f713 (https://github.com/labring/sealos/tree/871f713df1297feba4ee52c06f230ab265c9d691)

## 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.
