In simple English
This is a calendar app for your phone. It has no ads and does not track your data. You can sync it with other calendar accounts if you want. It stays completely on your device otherwise. You can download it for free.
What it is
Fossify Calendar (an open-source app, meaning the code is public for anyone to inspect and modify) is a schedule manager for Android devices. It handles events, reminders, recurring tasks, and home screen widgets without collecting user data.
What it is good for
Solo builders who want a clean calendar on their phone without ads or hidden data collection. It removes the corporate tracking found in standard phone calendars while keeping standard sync features.
- Completely free and open-source with no advertisements.
- Works offline without demanding unnecessary phone permissions.
- Supports sync with major calendar providers like Google and Nextcloud.
- Only available for Android phones and tablets.
- Requires building from source if you want to modify the code yourself.
- Relies on your existing device accounts for external calendar syncing.
Google Calendar
Nextcloud
- Etar-Group/Etar-Calendar2.6k stars
Another open-source Android calendar app focusing on a clean material design interface.
Get Fossify Calendar from the Google Play Store, F-Droid, or download the APK file directly from GitHub.