SHSelfHostIndex

GNOME Calendar vs Decsync Calendar Sync

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?
GN GNOME Calendar Simple desktop calendar with CalDAV support VS DE Decsync Calendar Sync File-based calendar and contacts synchronization
FeatureGNOME CalendarDecsync Calendar Sync
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguageCKotlin
Setup difficultyEasyMedium
Min. RAM256 MB128 MB
Deploymentbinary, sourcesource, binary
GitHub stars★ 300★ 696
First released20152018
ReplacesGoogle CalendarGoogle Calendar

Why pick each one

Choose GNOME Calendar if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in C
  • Tiny footprint — runs in 256 MB RAM
GNOME Calendar details

Choose Decsync Calendar Sync if…

  • Server-free architecture
  • Privacy friendly
Decsync Calendar Sync details

Frequently asked questions

Is GNOME Calendar or Decsync Calendar Sync better?

Neither is universally better. Decsync Calendar Sync has the larger community, while GNOME Calendar is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are GNOME Calendar and Decsync Calendar Sync free and open-source?

Yes. GNOME Calendar is licensed under GPL-3.0 and Decsync Calendar Sync under GPL-3.0. Both can be self-hosted at no software cost.

Can I run GNOME Calendar and Decsync Calendar Sync with Docker?

GNOME Calendar: check the project docs for container support. Decsync Calendar Sync: check the project docs for container support.

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