- GitHub stars
- 48,971
- License
- MIT
- Latest release
- v6.2.0
1 March 2026 - Last commit
- 20 September 2026
- Runs on
- Node.js
Commits per month, last 12 months
1,893 commits
Replaces
Paid products Cal.diy can stand in for.
How to self-host Cal.diy
Cal.diy runs on Node.js. The project's own install guide is the place to start; most people put it on a small server with Docker and a reverse proxy for HTTPS.
- Get a server: a home server, a VPS, or a managed app host.
- Install it the way the project's docs describe, usually with Docker Compose.
- Put it behind HTTPS and set up backups before you add real data.
- Update it regularly. Watch the project's releases.
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Questions
Is Cal.diy free?
Yes. Cal.diy is open source under the MIT license, so you can use it without paying for a license. You pay only for the server it runs on.
Can I self-host Cal.diy?
Yes. Cal.diy runs on Node.js. Follow the install guide in the project's documentation, or use a host that installs it for you.
What does Cal.diy replace?
People use Cal.diy instead of Calendly or Acuity Scheduling.
Is Cal.diy still maintained?
The last change to Cal.diy's code was on 20 September 2026, with 1893 commits in the last 12 months.
Topics
App data from awesome-selfhosted (CC BY-SA 3.0), stars and activity from GitHub.