Fossify Calendar
fossify.org ↗A simple Android calendar with events, reminders, recurring events and home-screen widgets.
For Android users who want a calendar app that doesn't track them, on F-Droid or Google Play.
Why it’s listed
Part of the Fossify project's open-source Android apps: 'No advertising libraries or tracking in any app', no Fossify account, and only the permissions each feature needs1,2. GPL-3.0; v1.12.0 released 10 October 20263.
The trade-off
It shows the calendar accounts on your phone; to sync with a CalDAV server you need a separate sync app such as DAVx5.
Price
Free.
