Synchronize contacts, calendar and activities with end-to-end encryption thanks to the excellent service offered by EteSync!
Category: Contacts & Calendar
A series of applications and providers that will allow you to synchronize and/or use contacts and calendar on your smartphone. For this section, applications with end-to-end encryption and open source will be preferred.
Etar
To manage your CalDAV calendars (and not only) Etar is a truly excellent alternative. Free and open source, it has very few weaknesses!
OpenContacts
With OpenContacts you can hide the address book from all installed applications! A smart way to not isolate your contacts.