What does Cal.diy (Cal.com community edition) replace?

Cal.diy (Cal.com community edition) is a free alternative to Calendly ($120/yr), Acuity Scheduling ($192/yr) and Doodle ($132/yr).

Is Cal.diy (Cal.com community edition) open source?

Yes. Cal.diy (Cal.com community edition) is licensed under MIT, an OSI-approved open-source license.

Yes (self-hosted server; web UI).

Yes. Cal.diy (Cal.com community edition) is a server app you run on your own server, and its repository includes Docker files.

A free, open-source alternative to Calendly, Acuity Scheduling and Doodle. Switching saves up to $192/yr at list price.

Checked Oct 17, 2026 · How we check

Self-hosted server

Early (alpha/beta) Active Open source · MIT Linux Self-hostable

calcom/cal.diy49.1k★last push Sep 26, 2026checked Oct 17, 2026

Cal.com's stripped community fork: maintainers say personal, non-production use only, and teams and reminder workflows were removed.

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on cal.diy.

What does Cal.diy (Cal.com community edition) replace?: Cal.diy (Cal.com community edition) is a free alternative to Calendly ($120/yr), Acuity Scheduling ($192/yr) and Doodle ($132/yr).
Is Cal.diy (Cal.com community edition) open source?: Yes. Cal.diy (Cal.com community edition) is licensed under MIT, an OSI-approved open-source license.
Does Cal.diy (Cal.com community edition) run on Linux?: Yes (self-hosted server; web UI).
Can you self-host Cal.diy (Cal.com community edition)?: Yes. Cal.diy (Cal.com community edition) is a server app you run on your own server, and its repository includes Docker files.