cal.diy vs gateway

cal.diy and gateway share 9 technologies: Next.js, Redis, React, Zod, Tailwind CSS, class-variance-authority, Radix UI, jose, and tailwind-merge. 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.

TypeScript49.9kRead on November 10, 2026, at commit 2eb48ecWhat is cal.diy built with?

Only in cal.diy

In common

Portkey-AI

gateway

A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.

TypeScript13.4kRead on November 10, 2026, at commit 669825cWhat is gateway built with?

Only in gateway

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
cal.diy554,567 lines written4,285 code files
gateway78,769 lines written542 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
gateway0.2% of its commits signed by AIWith GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cal.diyLast push November 3, 202616,069 commits49,876 stars
gatewayLast push May 25, 20262,185 commits13,355 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
gateway40 test files15.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, cal.diy or gateway?
cal.diy, with 554,567 lines written; gateway has 78,769.

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

Which has more GitHub stars, cal.diy or gateway?
cal.diy, with 49,876 stars; gateway has 13,355.

The proof: calcom/cal.diy on GitHub

Which has more tests, cal.diy or gateway?
cal.diy, with 644 test files; gateway has 40.

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

Which was updated more recently, cal.diy or gateway?
cal.diy: its last push was on November 3, 2026, and gateway's on May 25, 2026.

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

Which has more commits signed by AI, cal.diy or gateway?
cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in gateway, 0.2%.

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

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