OpenCalendar Sync 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?
OpenCalendar Sync
Self-hosted shared calendar with public event pages
VS
Framadate
Online polling and meeting scheduling tool
| Feature | OpenCalendar Sync | Framadate |
|---|---|---|
| Category | Calendar & Contacts | Calendar & Contacts |
| License | MIT | CECILL-B |
| Language | TypeScript | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, source | bare-metal, docker |
| GitHub stars | ★ 852 | ★ 600 |
| First released | 2014 | 2011 |
| Replaces | Calendly, Google Calendar | Doodle |
Why pick each one
Choose OpenCalendar Sync if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Written in TypeScript
- Tiny footprint — runs in 256 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 OpenCalendar Sync or Framadate better?
Neither is universally better. OpenCalendar Sync 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 OpenCalendar Sync and Framadate free and open-source?
Yes. OpenCalendar Sync is licensed under MIT and Framadate under CECILL-B. Both can be self-hosted at no software cost.
Can I run OpenCalendar Sync and Framadate with Docker?
OpenCalendar Sync: yes. Framadate: yes.