Thunderbird Appointment vs Meeting scheduler nono Booked

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?
FeatureThunderbird AppointmentMeeting scheduler nono Booked
CategoryCalendar & ContactsCalendar & Contacts
LicenseMPL-2.0GPL-3.0
LanguagePythonPHP
Setup difficultyMediumMedium
Min. RAM512 MB256 MB
Deploymentdocker, sourcebare-metal, docker
GitHub stars★ 547★ 779
First released20232011
ReplacesCalendly, DoodleSkedda, Acuity Scheduling

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
Thunderbird Appointment details

Choose Meeting scheduler nono Booked if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in PHP
  • Tiny footprint — runs in 256 MB RAM
Meeting scheduler nono Booked details

Frequently asked questions

Is Thunderbird Appointment or Meeting scheduler nono Booked better?

Neither is universally better. Meeting scheduler nono Booked has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Thunderbird Appointment and Meeting scheduler nono Booked free and open-source?

Yes. Thunderbird Appointment is licensed under MPL-2.0 and Meeting scheduler nono Booked under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Thunderbird Appointment and Meeting scheduler nono Booked with Docker?

Thunderbird Appointment: yes. Meeting scheduler nono Booked: yes.

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