Apps like Tuta: Secure Private Calendar

Here are some great alternatives to Tuta: Secure Private Calendar by Tutao GmbH :
Proton Calendar: Secure Events
Proton Calendar: Secure Events
★4.5
Calendar - Agenda 2025 & Tasks
Calendar - Agenda 2025 & Tasks
★4.5
The Family Core
The Family Core
★4.6
Seecrypt Enterprise
Seecrypt Enterprise
★3.8
OurCal: Shared Calendar
OurCal: Shared Calendar
★4.3
BotherMe&U Reminder Messenger
BotherMe&U Reminder Messenger
★4.0
EteSync - Secure Data Sync
EteSync - Secure Data Sync
★4.3
Calendar
Calendar
★4.3
White Calendar
White Calendar
★4.4
Business Calendar 2 Planner
Business Calendar 2 Planner
★4.6
Fossify Calendar
Fossify Calendar
★4.4
xx messenger
xx messenger
★3.3
2025 Calendar Business Planner
2025 Calendar Business Planner
★4.8
Looping - Family calendar
Looping - Family calendar
★3.8
Calendar App - Handy Calendar
Calendar App - Handy Calendar
★4.0
Calendar+ Schedule Planner
Calendar+ Schedule Planner
★3.9