calix

Native Linux GTK4 calendar app with direct sync to Google, iCloud, and CalDAV services.

Desktopfree

Calix is a free, open-source native Linux calendar application built with GTK4 and libadwaita, offering direct sync with Google Calendar, Apple iCloud, Fastmail, Nextcloud, and other CalDAV services. It targets Linux desktop users who want a fast, native calendar client instead of a web-based alternative.

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