MemoCalendar.net
Simple Calendar
Etar
Google Calendar
Calendar Lock PEA
Apple Calendar
Morgen.so
Lightning Calendar
Kontact
Google Contacts
Google Calendar
Apple Contacts App
Lightning Calendar
Rainlendar
Open Contacts
Simple Calendar
MemoCalendar.net KontactSimple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
Etar - Material design open source calendar for Android.
Google Calendar - Spend less time managing your day & more time enjoying it
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.
Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.
