Source: https://seerepo.com/compare/calcom/cal.diy/vs/getsentry/sentry
Markdown source: https://seerepo.com/compare/calcom/cal.diy/vs/getsentry/sentry.md
Description: cal.diy and sentry share 4 technologies: Postgres, Redis, Sentry, and Stripe. Both are written in TypeScript.

# cal.diy vs sentry

cal.diy and sentry share 4 technologies: Postgres, Redis, Sentry, and Stripe. Both are written in TypeScript.

- [calcom/cal.diy](https://seerepo.com/r/calcom/cal.diy): Scheduling infrastructure for absolutely everyone.
- [getsentry/sentry](https://seerepo.com/r/getsentry/sentry): Developer-first error tracking and performance monitoring

## What they share and what sets them apart

- In common: Postgres, Redis, Sentry, Stripe
- Only in cal.diy: Next.js, React, PostHog, Google
- Only in sentry: Django

## Side by side

| | cal.diy | sentry |
|---|---|---|
| Size | 554,284 lines written, 4,310 code files | 3,418,402 lines written, 11,897 code files |
| Who writes it | 6.3% of its commits signed by AI. With Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot | 3.4% of its commits signed by AI. With Claude Code, Codex, Cursor, and GitHub Copilot |
| Activity | Last push October 29, 2026, 16,062 commits, 49,552 stars | Last push November 1, 2026, 111,648 commits, 45,688 stars |
| Tests | 642 test files. 14.8% of its code files have a test that imports them | 6,084 test files. 28.7% 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 sentry?

sentry, with 3,418,402 lines written in 11,897 code files; cal.diy has 554,284 in 4,310.

The proof: [getsentry/sentry's code at commit 063a6cb](https://github.com/getsentry/sentry/tree/063a6cb279fc42752e31ee200331f553f35ec26f)

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

cal.diy, with 49,552 stars; sentry has 45,688.

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

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

sentry, with 6,084 test files; cal.diy has 642.

The proof: [getsentry/sentry's code at commit 063a6cb](https://github.com/getsentry/sentry/tree/063a6cb279fc42752e31ee200331f553f35ec26f)

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

sentry: its last push was on November 1, 2026, and cal.diy's on October 29, 2026.

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

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

cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in sentry, 3.4%.

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 October 30, 2026, at commit 2e41247 (https://github.com/calcom/cal.diy/tree/2e412471fc1f42c662005854a47c48128c479b0a)
- getsentry/sentry: Read on November 1, 2026, at commit 063a6cb (https://github.com/getsentry/sentry/tree/063a6cb279fc42752e31ee200331f553f35ec26f)

## 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.