Thunderbird Appointment vs Framadate
A side-by-side comparison of two self-hosted calendar & contacts options — licensing, setup difficulty, resource needs, and what each one replaces.
Framadate
Online polling and meeting scheduling tool
| Feature | Thunderbird Appointment | Framadate |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | Calendar & Contacts | Calendar & Contacts |
| License | MPL-2.0 | CECILL-B |
| Language | Python | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, source | bare-metal, docker |
| GitHub stars | ★ 552 | ★ 600 |
| First released | 2023 | 2011 |
| Replaces | Calendly, Doodle | Doodle |
What are Thunderbird Appointment and Framadate?
Thunderbird Appointment
Thunderbird Appointment is an open-source scheduling application that lets users share availability and let others book time slots. It integrates with CalDAV calendars and is built by the Thunderbird team.
- Availability sharing
- Bookable time slots
- CalDAV integration
- Built by Thunderbird
Framadate
Framadate is an online service for planning appointments or making decisions quickly and easily. Developed by Framasoft, it lets groups vote on dates and options without registration.
- Date and decision polls
- No account required
- Part of the Framasoft suite
Thunderbird Appointment vs Framadate: key differences
Thunderbird Appointment is written in Python, while Framadate is built with PHP. Licensing differs — MPL-2.0 for Thunderbird Appointment versus CECILL-B for Framadate. Framadate is the lighter option, starting around 128 MB of RAM against 512 MB for Thunderbird Appointment. Framadate is the more established project (first released 2011), while Thunderbird Appointment arrived in 2023.
Why pick each one
Choose Thunderbird Appointment if…
- Released under the MPL-2.0 license
- First-class Docker support for quick deployment
- Written in Python
- 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 Thunderbird Appointment or Framadate better?
Framadate is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Thunderbird Appointment if its specific feature set fits your needs better.
Are Thunderbird Appointment and Framadate free and open-source?
Yes. Thunderbird Appointment is licensed under MPL-2.0 and Framadate under CECILL-B. Both can be self-hosted at no software cost.
Can I run Thunderbird Appointment and Framadate with Docker?
Thunderbird Appointment: yes. Framadate: yes.
Which is lighter on resources, Thunderbird Appointment or Framadate?
Framadate has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Thunderbird Appointment. Real-world usage depends on library size, user count, and enabled features.