Cal.diy vs Framadate
A side-by-side comparison of two self-hosted calendar & contacts options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Cal.diy
Online appointment scheduling system
VS
Framadate
Online polling and meeting scheduling tool
| Feature | Cal.diy | Framadate |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | MIT | CECILL-B |
| Language | TypeScript | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | bare-metal | bare-metal, docker |
| GitHub stars | ★ 47,334 | ★ 600 |
| First released | 2026 | 2011 |
| Replaces | — | Doodle |
Why pick each one
Choose Cal.diy if…
- Released under the MIT license
- Mature project with 47.3k GitHub stars
- Written in TypeScript
- Lightweight — runs in 512 MB RAM
Choose Framadate if…
- Released under the CECILL-B license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in PHP
Frequently asked questions
Is Cal.diy or Framadate better?
Neither is universally better. Cal.diy has the larger community, while Framadate is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Cal.diy and Framadate free and open-source?
Yes. Cal.diy is licensed under MIT and Framadate under CECILL-B. Both can be self-hosted at no software cost.
Can I run Cal.diy and Framadate with Docker?
Cal.diy: check the project docs for container support. Framadate: yes.