SHSelfHostIndex

Decsync Calendar Sync vs Xandikos

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?
DE Decsync Calendar Sync File-based calendar and contacts synchronization VS XA Xandikos Git-backed CalDAV and CardDAV server
FeatureDecsync Calendar SyncXandikos
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0GPL-3.0
LanguageKotlinPython
Setup difficultyMediumMedium
Min. RAM128 MB64 MB
Deploymentsource, binarydocker, binary
GitHub stars★ 696★ 593
First released20182016
ReplacesGoogle CalendarGoogle Calendar, iCloud

Why pick each one

Choose Decsync Calendar Sync if…

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

Choose Xandikos if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Python
  • Tiny footprint — runs in 64 MB RAM
Xandikos details

Frequently asked questions

Is Decsync Calendar Sync or Xandikos better?

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

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

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

Can I run Decsync Calendar Sync and Xandikos with Docker?

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

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