SHSelfHostIndex

OpenSlides 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 OpenSlides Presentation and assembly system for managing and projecting agenda, VS TA Tasks.org Server alt nono Calendarserver Standards-compliant calendar and scheduling server
FeatureOpenSlidesTasks.org Server alt nono Calendarserver
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITApache-2.0
LanguageShellPython
Setup difficultyMediumHard
Min. RAM512 MB512 MB
Deploymentdockerbare-metal, source
GitHub stars★ 629★ 506
First released20262007
Replaces—Google Calendar, Exchange

Why pick each one

Choose OpenSlides if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in Shell
  • Lightweight — runs in 512 MB RAM
OpenSlides 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 OpenSlides or Tasks.org Server alt nono Calendarserver better?

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

Yes. OpenSlides 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 OpenSlides and Tasks.org Server alt nono Calendarserver with Docker?

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

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