khal vs Meeting scheduler nono Booked

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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FeaturekhalMeeting scheduler nono Booked
CategoryCalendar & ContactsCalendar & Contacts
LicenseMITGPL-3.0
LanguagePythonPHP
Setup difficultyMediumMedium
Min. RAM64 MB256 MB
Deploymentbinary, sourcebare-metal, docker
GitHub stars★ 3,039★ 779
First released20132011
ReplacesGoogle CalendarSkedda, Acuity Scheduling

Why pick each one

Choose khal if…

  • Released under the MIT license
  • Active community (3k GitHub stars)
  • Written in Python
  • Tiny footprint — runs in 64 MB RAM
khal details

Choose Meeting scheduler nono Booked if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in PHP
  • Tiny footprint — runs in 256 MB RAM
Meeting scheduler nono Booked details

Frequently asked questions

Is khal or Meeting scheduler nono Booked better?

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

Are khal and Meeting scheduler nono Booked free and open-source?

Yes. khal is licensed under MIT and Meeting scheduler nono Booked under GPL-3.0. Both can be self-hosted at no software cost.

Can I run khal and Meeting scheduler nono Booked with Docker?

khal: check the project docs for container support. Meeting scheduler nono Booked: yes.

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