SHSelfHostIndex

Easy!Appointments vs Zimbra Collaboration

A side-by-side comparison of two self-hosted groupware options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
EA Easy!Appointments Open-source web appointment scheduler VS ZI Zimbra Collaboration Email, calendar, collaboration server with Web interface and lots of
FeatureEasy!AppointmentsZimbra Collaboration
CategoryGroupwareGroupware
LicenseGPL-3.0GPL-2.0
LanguagePHPJava
Setup difficultyEasyMedium
Min. RAM256 MB512 MB
Deploymentdocker, bare-metal, sourcebare-metal
GitHub stars★ 4,306—
First released20132020
ReplacesCalendly, Acuity Scheduling—

Why pick each one

Choose Easy!Appointments if…

  • Lightweight and easy
  • Good for small businesses
Easy!Appointments details

Choose Zimbra Collaboration if…

  • Released under the GPL-2.0 license
  • Written in Java
  • Lightweight — runs in 512 MB RAM
Zimbra Collaboration details

Frequently asked questions

Is Easy!Appointments or Zimbra Collaboration better?

Easy!Appointments is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Zimbra Collaboration if its specific feature set fits your needs better.

Are Easy!Appointments and Zimbra Collaboration free and open-source?

Yes. Easy!Appointments is licensed under GPL-3.0 and Zimbra Collaboration under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Easy!Appointments and Zimbra Collaboration with Docker?

Easy!Appointments: yes. Zimbra Collaboration: check the project docs for container support.

Related comparisons