Cal.diy vs Easyappointments
Cal.diy and Easyappointments are both booking and scheduling software. Cal.diy is open source under MIT, with 50k GitHub stars. Easyappointments is open source under GPL-3.0, with 4.5k GitHub stars.
Which to pick
- Pick Cal.diy when
- You want to self-host personal booking links without a Cal.com licence and can run Next.js with Postgres.
- Pick Easyappointments when
- A small service business wants online booking on its own PHP hosting without subscription fees.
Side by side
Cal.diy, the fully MIT-licensed community edition of Cal.com for booking pages and scheduling, with enterprise features removed.
A self-hosted appointment booking app where customers book services with staff, with Google Calendar sync, notifications and a REST API.
Teams, workflows, SSO and other enterprise features are removed, and the project itself recommends it only for personal, non-production use.
Mostly one maintainer, and payment collection is not built in.
Usable
Production-ready
Self-hosted server (both)
TypeScript, Next.js, Prisma, tRPC and PostgreSQL
PHP, CodeIgniter and MySQL
Open source, MIT (permissive)
Open source, GPL-3.0 (strong copyleft)
You can build it into a product you sell, as long as you keep its copyright notice.
Use inside your business is unrestricted, but anything you distribute that includes it must be released under the same license.
50k GitHub stars
4.5k GitHub stars
Established: started 5 years ago, latest release v6.2.0.
Established: started 12 years ago, latest release 1.6.1.
Other comparisons
More booking and appointment scheduling tools
Both sides were judged on 2026-11-03 from each project's README and GitHub data. License, age and popularity lines are worked out directly.