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DankCalendarGNOME Calendar
Free

Free and open source under the MIT license.

 Free

Free GNOME application supported by donations.

Linux Linux
  • Combines local, Google, Microsoft, CalDAV, and iCloud calendars
  • Runs as a daemon with a tray icon
  • Syncs with Nextcloud, Google Calendar and CalDAV servers
  • Local calendars work fully offline
  • Linux desktop app
  • Designed for the GNOME desktop on Linux
  • Kept deliberately simple, with fewer features than full groupware clients
Downloadable app Downloadable app
Open source Open source
License: MIT License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.