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cal.diy vs prowler

cal.diy and prowler share 20 technologies: Next.js, Postgres, Sentry, React, @next/third-parties, PostHog, next-auth, Zod, Tailwind CSS, next-themes, class-variance-authority, React Hook Form, TanStack, Framer, Radix UI, Lucide, @hookform/resolvers, tailwind-merge, cmdk, and react-day-picker. cal.diy is written in TypeScript and prowler in Python.

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What they share and what sets them apart

calcom

cal.diy

Scheduling infrastructure for absolutely everyone.

TypeScript49.7kRead on November 5, 2026, at commit 2eb48ecWhat is cal.diy built with?

Only in cal.diy

In common

prowler-cloud

prowler

This repo hosts Prowler OSS (CLI and Local Server). Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment for Humans and AI Agents.

Python15.2kRead on November 8, 2026, at commit 9f6ebb0What is prowler built with?

Only in prowler

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
cal.diy554,567 lines written4,308 code files
prowler1,231,989 lines written4,452 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.
cal.diy6.3% of its commits signed by AIWith Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot
prowler1.1% of its commits signed by AIWith Claude Code, GitHub Copilot, CodeRabbit, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cal.diyLast push November 3, 202616,069 commits49,716 stars
prowlerLast push November 8, 20268,762 commits15,193 stars
TestsThe files that test the code, and the share of code files a test imports.
cal.diy644 test files14.8% of its code files have a test that imports them
prowler2,848 test files17.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, cal.diy or prowler?
prowler, with 1,231,989 lines written; cal.diy has 554,567.

The proof: prowler-cloud/prowler's code at commit 9f6ebb0

Which has more GitHub stars, cal.diy or prowler?
cal.diy, with 49,716 stars; prowler has 15,193.

The proof: calcom/cal.diy on GitHub

Which has more tests, cal.diy or prowler?
prowler, with 2,848 test files; cal.diy has 644.

The proof: prowler-cloud/prowler's code at commit 9f6ebb0

Which was updated more recently, cal.diy or prowler?
prowler: its last push was on November 8, 2026, and cal.diy's on November 3, 2026.

The proof: prowler-cloud/prowler's commits on GitHub

Which has more commits signed by AI, cal.diy or prowler?
cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in prowler, 1.1%.

The proof: the commits each tool signed in calcom/cal.diy

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