Cal.com: Scheduling infrastructure for absolutely everyone
Cal.com is a self-hosted events and calendar tool. Scheduling infrastructure for absolutely everyone.
Why self-host Cal.com
When you deploy Cal.com yourself, you own the instance. That means no rate limits, no pricing changes, and no worry about the service shutting down.
What it does
Cal.com falls into the Events, Calendar, Scheduling category of self-hosted software. It is designed to be deployed on your own infrastructure, whether that is a home server, a VPS, or a local machine running Docker.
Community traction
The project has 30k stars on GitHub, which is a reasonable proxy for how widely it is used. Active repositories tend to ship bug fixes faster and have better documentation than projects that stall after the initial release.
Deployment
Like most modern self-hosted apps, Cal.com supports Docker. A single compose file handles the deployment in most cases.
Alternatives
If Cal.com does not fit your needs, common alternatives include Google Calendar. The self-hosted versions of these tools often differ in resource requirements and feature focus, so it is worth testing the one that matches your workload.
Maturity
The current release is 4.3.4. The project has moved past early development and tends to ship stable, documented releases.
License
It uses the Commercial license.
Links
For anyone already running a home server, Cal.com is a natural addition. It handles events and calendar without requiring a paid subscription or an account with a third party.