GNOME Evolution is a Linux personal information manager combining email, calendar, contacts, and tasks in one application. It uses standard protocols (IMAP, SMTP, CalDAV, CardDAV) and supports native OpenPGP and S/MIME encryption without plugins.
GNOME Evolution
gitlab.gnome.org/GNOME/evolution/-/wikis/homeA hardened pick. Worth the effort once you have chosen to shrink your footprint on purpose. Enough for most people. Threat levels
Evolution is the natural choice for GNOME desktop users who want a full PIM without piecing together separate apps: mail, calendar, and address book share a common data layer, so a meeting invite in your inbox lands directly in your calendar. Native OpenPGP support means no Enigmail workaround needed. The downside is that the interface shows its age, the Exchange/EWS connector is a separate package, and it is strictly a Linux application with no mobile or Windows counterpart. Best suited to GNOME users already comfortable on the desktop who need an integrated, privacy-respecting alternative to Outlook.
GNOME Evolution alternatives
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