OpenSlides vs OpnForm

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?
FeatureOpenSlidesOpnForm
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITAGPL-3.0
LanguageShellPHP
Setup difficultyMediumMedium
Min. RAM512 MB512 MB
Deploymentdockerdocker
GitHub stars★ 629★ 3,545
First released20262026
Replaces

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 OpnForm if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Active community (3.5k GitHub stars)
  • Written in PHP
OpnForm details

Frequently asked questions

Is OpenSlides or OpnForm better?

Neither is universally better. OpnForm has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are OpenSlides and OpnForm free and open-source?

Yes. OpenSlides is licensed under MIT and OpnForm under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run OpenSlides and OpnForm with Docker?

OpenSlides: yes. OpnForm: yes.

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