Cal.diy
Cal.diy is an open-source, self-hosted app in the Booking & Scheduling category, licensed MIT and written mainly in TypeScript. It is a self-hosted alternative to Calendly and ships a Docker image. It has 49,377 GitHub stars and its last commit was on Oct 26, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 49,377
- Forks
- 15,441
- Open issues
- 1,166
- Commits, last 12 months
- 1,982
- Last commit
- Oct 26, 2026
- Latest release
- v6.2.0Mar 1, 2026
- Created
- Mar 22, 2021
- License
- MITOpen source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 26, 2026, 1,982 commits in 12 months.
- Regular releases10 or more releases in 12 months
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 26, 2026 |
|---|---|
| Commits, last 12 months | 1,982 |
| Latest release | v6.2.0 (Mar 1, 2026) |
| Releases, last 12 months | 10 or more |
| Releases, all time | 611 |
| Open issues | 1,166 |
| Open pull requests | 380 |
| Good first issues | 0 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Mar 22, 2021 |
Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error
About Cal.diy
Online appointment scheduling system.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/calcom/cal.diy.
Topics
- open-source
- typescript
- nextjs
- next-auth
- postgresql
- prisma
- t3-stack
- tailwindcss
- trpc
- turborepo
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Is Cal.diy free and open source?
Yes. Cal.diy is open-source software released under the MIT license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Cal.diy with Docker?
Yes. Cal.diy provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Cal.diy?
Popular self-hosted alternatives to Cal.diy include QloApps, Rallly and Easy!Appointments. Cal.diy itself is a self-hosted alternative to Calendly.
Is Cal.diy actively maintained?
The most recent commit to Cal.diy was on Oct 26, 2026 with 1,982 commits in the past twelve months. The latest release is v6.2.0, published Mar 1, 2026. It had 1,166 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.