EteSync DAV vs Open Event Server

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?
FeatureEteSync DAVOpen Event Server
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguagePythonPython
Setup difficultyMediumHard
Min. RAM128 MB1,024 MB
Deploymentbinary, sourcedocker, source
GitHub stars★ 333★ 3,006
First released20182016
ReplacesiCloud CalendarEventbrite, Sched

Why pick each one

Choose EteSync DAV if…

  • Released under the GPL-3.0 license
  • Written in Python
  • Tiny footprint — runs in 128 MB RAM
EteSync DAV details

Choose Open Event Server if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Active community (3k GitHub stars)
  • Written in Python
Open Event Server details

Frequently asked questions

Is EteSync DAV or Open Event Server better?

Neither is universally better. Open Event Server has the larger community, while EteSync DAV is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are EteSync DAV and Open Event Server free and open-source?

Yes. EteSync DAV is licensed under GPL-3.0 and Open Event Server under GPL-3.0. Both can be self-hosted at no software cost.

Can I run EteSync DAV and Open Event Server with Docker?

EteSync DAV: check the project docs for container support. Open Event Server: yes.

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