SHSelfHostIndex

GNOME Calendar 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?
GN GNOME Calendar Simple desktop calendar with CalDAV support VS TA Tasks.org Server alt nono Calendarserver Archived Standards-compliant calendar and scheduling server
FeatureGNOME CalendarTasks.org Server alt nono Calendarserver
Deploy effortRead-the-docs projectRead-the-docs project
StatusActively maintainedArchived
CategoryCalendar & ContactsCalendar & Contacts
LicenseGPL-3.0Apache-2.0
LanguageCPython
Setup difficultyEasyHard
Min. RAM256 MB512 MB
Deploymentbinary, sourcebare-metal, source
GitHub stars★ 300★ 507
First released20152007
ReplacesGoogle CalendarGoogle Calendar, Exchange

What are GNOME Calendar and Tasks.org Server alt nono Calendarserver?

GNOME Calendar

GNOME Calendar is a clean and uncluttered desktop calendar application that integrates with GNOME Online Accounts and can connect to self-hosted CalDAV servers for synchronizing events.

  • Clean desktop calendar
  • CalDAV server support
  • GNOME Online Accounts integration

Tasks.org Server alt nono Calendarserver

Calendar and Contacts Server is a CalDAV and CardDAV server originally developed by Apple. It provides shared calendaring, scheduling, and directory services for groups.

  • Originated at Apple
  • Group scheduling support
  • Standards-compliant CalDAV

GNOME Calendar vs Tasks.org Server alt nono Calendarserver: key differences

The biggest difference is maintenance: Tasks.org Server alt nono Calendarserver's repository is archived and no longer developed, while GNOME Calendar is actively maintained. GNOME Calendar is written in C, while Tasks.org Server alt nono Calendarserver is built with Python. Licensing differs — GPL-3.0 for GNOME Calendar versus Apache-2.0 for Tasks.org Server alt nono Calendarserver. GNOME Calendar is the lighter option, starting around 256 MB of RAM against 512 MB for Tasks.org Server alt nono Calendarserver. Tasks.org Server alt nono Calendarserver is the more established project (first released 2007), while GNOME Calendar arrived in 2015.

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 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 GNOME Calendar or Tasks.org Server alt nono Calendarserver better?

Neither is universally better. Tasks.org Server alt nono Calendarserver 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 Tasks.org Server alt nono Calendarserver free and open-source?

Yes. GNOME Calendar is licensed under GPL-3.0 and Tasks.org Server alt nono Calendarserver under Apache-2.0. Both can be self-hosted at no software cost.

Can I run GNOME Calendar and Tasks.org Server alt nono Calendarserver with Docker?

GNOME Calendar: check the project docs for container support. Tasks.org Server alt nono Calendarserver: check the project docs for container support.

Which is lighter on resources, GNOME Calendar or Tasks.org Server alt nono Calendarserver?

GNOME Calendar has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Tasks.org Server alt nono Calendarserver. Real-world usage depends on library size, user count, and enabled features.

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