Features:
- Month view.
- Week day & agenda view.
- Uses Android calendar sync. Works with Google Calendar Exchange..etc.
- Material design.
- Dark & Light Theme.
- Offline Calendar
- Free open source and absolutely no Ads.
- Support sharing calendars via ics and the ability to import/export from sdcard.

Bugs & feedback: https://github.com/Etar-Group/Etar-Calendar/issues
Source Code: https://github.com/Etar-Group/Etar-Calendar