Open-Source Calendly Alternatives

Compare Cal.com as a free, open-source, self-hostable alternative to Calendly with custom workflows and real pricing.

Cal.com

Replaces Calendly, Google Calendar

US · United States

Free (individual) · Self-host free · Teams from $12/user/mo

Open-source scheduling infrastructure that replaces Calendly with custom workflows, round-robin booking, and self-hosting.

Open Source Self-Hostable Free Tier Zero-Tracking / E2EE

The Catch: Self-hosting requires a Node/Postgres setup and manual upgrades; team features on cloud are $12/user/mo.

Tool	HQ	Pricing	Open Source	Self-Hostable
Cal.com	United States	Free (individual) · Self-host free · Teams from $12/user/mo	Yes	Yes

Yes—Cal.com's individual cloud plan is free, and the core platform is open source and self-hostable.

Self-hosting requires managing a Node.js and Postgres stack and handling version upgrades yourself.