Opal vs Simple Calendar
A side-by-side look at Opal and Simple Calendar. For an in-depth review of either product, follow the links below.
Opal
Office & Productivity
Opal is an open-source alternative to Microsoft OneNote for taking notes and organizing information. It allows users to create digital notebooks to capture text, drawings, and web clippings.
notesorganizationopensource
Simple Calendar
Office & Productivity
Simple Calendar is a free and open source calendar app for Android. It has a clean interface for viewing and managing events, supports calendar sync, custom reminders, and an optional weather widget. Simple Calendar is lightweight, customizable, and respects user privacy.
calendarschedulingeventsremindersopen-source
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aCalendar
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DigiCal
Scriby
OutlineEdit