Open Event Server vs Seatsurfing

A side-by-side comparison of two self-hosted calendar & contacts options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureOpen Event ServerSeatsurfing
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguagePythonGo
Setup difficultyHardMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, sourcedocker
GitHub stars★ 3,006★ 304
First released20162026
ReplacesEventbrite, Sched

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 Seatsurfing if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Go
  • Lightweight — runs in 512 MB RAM
Seatsurfing details

Frequently asked questions

Is Open Event Server or Seatsurfing better?

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

Are Open Event Server and Seatsurfing free and open-source?

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

Can I run Open Event Server and Seatsurfing with Docker?

Open Event Server: yes. Seatsurfing: yes.

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