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EvolutionEventix
Free

Free and open source, part of the GNOME project.

 Free

Free and open source under the GPL-3.0-or-later licence.

Linux Linux
  • Mail, calendar, contacts and tasks in one program
  • Exchange Web Services plugin connects to Microsoft 365
  • Handles both events and tasks
  • Syncs with CalDAV and Microsoft 365 (Exchange)
  • Linux only
  • Heavier than a mail-only client, and slower to start
  • Linux only
  • Small project with few users
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0-or-later and LGPL-2.1-or-later License: GPL-3.0-or-later
No account needed No account needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked October 1, 2026

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