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EventixEvolution
Free

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

 Free

Free and open source, part of the GNOME project.

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

Checked October 1, 2026

Checked September 21, 2026

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