GitHub Repo · Productivity & Docs

Cal.com

Open-source scheduling, a Calendly alternative.

What Cal.com does

Cal.com provides booking pages, team scheduling, routing forms, payments and workflows as a hosted service. Its open-source, self-hostable edition is published on GitHub as cal.diy.

Best for

Self-hosted booking
Custom scheduling flows
Privacy-conscious businesses

How small businesses use Cal.com

Let customers book appointments
Round-robin leads across staff
Take deposits at booking

Quick facts
Type	GitHub Repo
Category	Productivity & Docs
Pricing	Free plan; self-host or paid cloud
Repository	github.com/calcom/cal.diy
License	MIT
Setup level	Intermediate
Main tradeoff	Self-hosting the open-source edition takes server setup and upkeep.
GitHub stars	49.2k (as of 2026-10-21)
Added	Oct 16, 2026
Last reviewed	Oct 16, 2026

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Cal.com: common questions

Who should use Cal.com?

Cal.com suits self-hosted booking, custom scheduling flows and privacy-conscious businesses.

When should you choose something else instead of Cal.com?

Self-hosting the open-source edition takes server setup and upkeep. If that matters for your business, compare other options such as Calendly, Square Appointments and Notion AI.

Is Cal.com free?

Cal.com pricing: Free plan; self-host or paid cloud. Pricing changes often, so confirm current plans on the official repository or website before you buy.

Can a small business self-host Cal.com?

Yes. Cal.com is open source on GitHub, and its setup level is intermediate. You will need a computer or server to run it and someone to keep it updated and backed up, or you can use a hosted option if one is offered.