SHSelfHostIndex

Open Event Server vs Decsync Calendar Sync

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?
OP Open Event Server Self-hosted event management and ticketing backend VS DE Decsync Calendar Sync File-based calendar and contacts synchronization
FeatureOpen Event ServerDecsync Calendar Sync
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguagePythonKotlin
Setup difficultyHardMedium
Min. RAM1,024 MB128 MB
Deploymentdocker, sourcesource, binary
GitHub stars★ 3,006★ 696
First released20162018
ReplacesEventbrite, SchedGoogle Calendar

Why pick each one

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

Choose Decsync Calendar Sync if…

  • Server-free architecture
  • Privacy friendly
Decsync Calendar Sync details

Frequently asked questions

Is Open Event Server or Decsync Calendar Sync better?

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

Are Open Event Server and Decsync Calendar Sync free and open-source?

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

Can I run Open Event Server and Decsync Calendar Sync with Docker?

Open Event Server: yes. Decsync Calendar Sync: check the project docs for container support.

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