Meeting scheduler nono Booked vs ETAR

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?
FeatureMeeting scheduler nono BookedETAR
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguagePHPJava
Setup difficultyMediumMedium
Min. RAM256 MB256 MB
Deploymentbare-metal, dockerdocker, source
GitHub stars★ 779★ 2,565
First released20112016
ReplacesSkedda, Acuity SchedulingGoogle Calendar

Why pick each one

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

Choose ETAR if…

  • Open ecosystem
  • No vendor lock-in
ETAR details

Frequently asked questions

Is Meeting scheduler nono Booked or ETAR better?

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

Are Meeting scheduler nono Booked and ETAR free and open-source?

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

Can I run Meeting scheduler nono Booked and ETAR with Docker?

Meeting scheduler nono Booked: yes. ETAR: yes.

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