Best Google Calendar Alternatives
Tutanota is the world's most secure email service, easy to use and private by design. You get fully encrypted calendars and contacts with all our personal and business email accounts. It has open source iOS and an Android apps.
- - Tutanota is the most popular Web-based, Windows, Android & Mac alternative to Google Calendar.
- - Tutanota is the most popular Open Source & free alternative to Google Calendar.
Material design open source calendar for Android.
- - Etar is the most popular Android Tablet alternative to Google Calendar.
Comments about Etar as a Alternative to Google Calendar
Nice, clean, and to the point calendar!7
Import and export function is listed but it didnt work for me at all. Worse, on my latest phone I could not even import an ICS file with all my stuff.0
Open source and works well !!0
Your calendar is a record of your life. Proton Calendar helps keep it private.
Proton Calendar Features
Comments about Proton Calendar as a Alternative to Google Calendar
ProtonCalendar may not be as feature-rich as Google Calendar, but their main focus is protecting user data with end-to-end encryption. The free plan is enough for basic calendar functionality, but paid subscriptions give extra benefits for supporting their business model, as that's their only source of income.1
ProtonCalendar is still missing the search feature.1
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
Calendar Lock PEA Features
Opinions about Calendar Lock PEA as a Alternative to Google Calendar
A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.
Simple Calendar Features
Comments about Simple Calendar as a Alternative to Google Calendar
Open source, has widgets and is quite configurable2
I really prefer Google Calendar-2
Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Opinions about Lightning Calendar as a Alternative to Google Calendar
Windows 10 has Mail and Calendar apps already built in.
Microsoft Mail and Calendar Features
The Calendar app is a user interface for Nextcloud's CalDAV server. Easily sync events from various devices with your Nextcloud and edit them online.
Nextcloud Calendar Features
Comments about Nextcloud Calendar as a Alternative to Google Calendar
Free (and open source) alternative. Your data is yours !3
Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.
Opinions about Rainlendar as a Alternative to Google Calendar
Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.
Opinions about Apple Calendar as a Alternative to Google Calendar