SHSelfHostIndex

ETAR vs Tasks.org Server alt nono Calendarserver

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 TA Tasks.org Server alt nono Calendarserver Standards-compliant calendar and scheduling server
FeatureETARTasks.org Server alt nono Calendarserver
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0Apache-2.0
LanguageJavaPython
Setup difficultyMediumHard
Min. RAM256 MB512 MB
Deploymentdocker, sourcebare-metal, source
GitHub stars★ 2,565★ 506
First released20162007
ReplacesGoogle CalendarGoogle Calendar, Exchange

Why pick each one

Choose ETAR if…

  • Open ecosystem
  • No vendor lock-in
ETAR details

Choose Tasks.org Server alt nono Calendarserver if…

  • Released under the Apache-2.0 license
  • Written in Python
  • Lightweight — runs in 512 MB RAM
Tasks.org Server alt nono Calendarserver details

Frequently asked questions

Is ETAR or Tasks.org Server alt nono Calendarserver better?

ETAR is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Tasks.org Server alt nono Calendarserver if its specific feature set fits your needs better.

Are ETAR and Tasks.org Server alt nono Calendarserver free and open-source?

Yes. ETAR is licensed under GPL-3.0 and Tasks.org Server alt nono Calendarserver under Apache-2.0. Both can be self-hosted at no software cost.

Can I run ETAR and Tasks.org Server alt nono Calendarserver with Docker?

ETAR: yes. Tasks.org Server alt nono Calendarserver: check the project docs for container support.

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