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EvolutionOrage
Free

Free and open source, part of the GNOME project.

 Free

Free and open source as part of the Xfce project.

Linux Linux
  • Mail, calendar, contacts and tasks in one program
  • Exchange Web Services plugin connects to Microsoft 365
  • Light on resources
  • Uses the standard iCal format with import and export
  • Linux only
  • Heavier than a mail-only client, and slower to start
  • Single user only, no group calendars
  • Linux desktop only
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0-or-later and LGPL-2.1-or-later License not stated
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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