SHSelfHostIndex

Easy!Appointments vs Kolab Groupware

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 KO Kolab Groupware Open-source groupware server with mail and calendaring
FeatureEasy!AppointmentsKolab Groupware
CategoryGroupwareGroupware
LicenseGPL-3.0AGPL-3.0
LanguagePHPPHP
Setup difficultyEasyHard
Min. RAM256 MB2,048 MB
Deploymentdocker, bare-metal, sourcebare-metal, docker
GitHub stars★ 4,306★ 200
First released20132002
ReplacesCalendly, Acuity SchedulingMicrosoft Exchange, Zimbra

Why pick each one

Choose Easy!Appointments if…

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

Choose Kolab Groupware if…

  • Built on proven components
  • Strong standards support
Kolab Groupware details

Frequently asked questions

Is Easy!Appointments or Kolab Groupware better?

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

Are Easy!Appointments and Kolab Groupware free and open-source?

Yes. Easy!Appointments is licensed under GPL-3.0 and Kolab Groupware under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Easy!Appointments and Kolab Groupware with Docker?

Easy!Appointments: yes. Kolab Groupware: yes.

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