SHSelfHostIndex

OpenCalendar Sync 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?
OP OpenCalendar Sync Self-hosted shared calendar with public event pages VS TA Tasks.org Server alt nono Calendarserver Standards-compliant calendar and scheduling server
FeatureOpenCalendar SyncTasks.org Server alt nono Calendarserver
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITApache-2.0
LanguageTypeScriptPython
Setup difficultyMediumHard
Min. RAM256 MB512 MB
Deploymentdocker, sourcebare-metal, source
GitHub stars★ 852★ 506
First released20142007
ReplacesCalendly, Google CalendarGoogle Calendar, Exchange

Why pick each one

Choose OpenCalendar Sync if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in TypeScript
  • Tiny footprint — runs in 256 MB RAM
OpenCalendar Sync 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 OpenCalendar Sync or Tasks.org Server alt nono Calendarserver better?

OpenCalendar Sync 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 OpenCalendar Sync and Tasks.org Server alt nono Calendarserver free and open-source?

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

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

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

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