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cal.diy vs midday

cal.diy and midday share 26 technologies: Next.js, Postgres, Google, Sentry, Stripe, React, @trpc/server, tRPC, lru-cache, Zod, Tailwind CSS, next-themes, class-variance-authority, React Hook Form, TanStack, Framer, Radix UI, Lucide, jose, qrcode, @hookform/resolvers, tailwind-merge, sharp, cmdk, react-colorful, and react-day-picker. Both are written in TypeScript.

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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

midday-ai

midday

Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers

TypeScript15.1kRead on November 8, 2026, at commit 5158731What is midday built with?

Only in midday

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
cal.diy554,567 lines written4,308 code files
midday350,070 lines written1,715 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
midday1.2% of its commits signed by AIWith Cursor and Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cal.diyLast push November 3, 202616,069 commits49,716 stars
middayLast push June 13, 20263,702 commits15,116 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
midday101 test files5.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, cal.diy or midday?
cal.diy, with 554,567 lines written; midday has 350,070.

The proof: calcom/cal.diy's code at commit 2eb48ec

Which has more GitHub stars, cal.diy or midday?
cal.diy, with 49,716 stars; midday has 15,116.

The proof: calcom/cal.diy on GitHub

Which has more tests, cal.diy or midday?
cal.diy, with 644 test files; midday has 101.

The proof: calcom/cal.diy's code at commit 2eb48ec

Which was updated more recently, cal.diy or midday?
cal.diy: its last push was on November 3, 2026, and midday's on June 13, 2026.

The proof: calcom/cal.diy's commits on GitHub

Which has more commits signed by AI, cal.diy or midday?
cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in midday, 1.2%.

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

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