SHSelfHostIndex

ETAR vs Xandikos

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?
ET ETAR Open-source calendar server companion for events VS XA Xandikos Git-backed CalDAV and CardDAV server
FeatureETARXandikos
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguageJavaPython
Setup difficultyMediumMedium
Min. RAM256 MB64 MB
Deploymentdocker, sourcedocker, binary
GitHub stars★ 2,565★ 593
First released20162016
ReplacesGoogle CalendarGoogle Calendar, iCloud

Why pick each one

Choose ETAR if…

  • Open ecosystem
  • No vendor lock-in
ETAR details

Choose Xandikos if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Python
  • Tiny footprint — runs in 64 MB RAM
Xandikos details

Frequently asked questions

Is ETAR or Xandikos 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 ETAR and Xandikos free and open-source?

Yes. ETAR is licensed under GPL-3.0 and Xandikos under GPL-3.0. Both can be self-hosted at no software cost.

Can I run ETAR and Xandikos with Docker?

ETAR: yes. Xandikos: yes.

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