Etar Alternatives

Etar is described as 'Material design open source calendar for Android' and is a popular Calendar app in the office & productivity category. There are more than 50 alternatives to Etar for a variety of platforms, including Web-based, Android, iPhone, Android Tablet and Windows apps. The best Etar alternative is Tuta Mail, which is both free and Open Source. Other great apps like Etar are Google Calendar, Proton Calendar, Fossify Calendar and Tuta Calendar.

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Etar alternatives page was last updated Apr 18, 2026

Calendar Lock PEA
17 likes
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
Cost / License
Free
Open Source
Application type
Calendar
Platforms
Mac
Windows
Linux
Is Calendar Lock PEA a good alternative to Etar?
Merkuro Calendar
13 likes
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.
Cost / License
Free
Open Source
Application types
Todo List Manager
Calendar
Origin
Germany
EU
Platforms
Linux
Flathub
Flatpak
Linux Mobile
+5
Is Merkuro Calendar a good alternative to Etar?
KashCal
5 likes
A privacy-first calendar that works offline and looks beautiful. Connect to iCloud — or don't. Your schedule, your choice.
Cost / License
Free
Open Source
Application type
Calendar
Platforms
Android
F-Droid
+4
Is KashCal a good alternative to Etar?
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Morgen
Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling simil...

https://morgen.so
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OurCal
5 likes
This app is tailored for families, couples, friends, and groups, providing end-to-end encryption for secure data, seamless calendar creation, syncing, private chats, and widgets for easy access, ensuring you never miss an event.
Cost / License
Freemium
Proprietary
Application type
Calendar
Origin
United Kingdom
Platforms
Android
iPhone
+3
Is OurCal a good alternative to Etar?
Business Calendar
20 likes
Business Calendar for Android is a complete calendar application that synchronises with your Google calendars.
Cost / License
Freemium
Proprietary
Application type
Calendar
Origin
Germany
EU
Platforms
Android
Android Tablet
+1
Is Business Calendar a good alternative to Etar?
Zoho Calendar
2 likes
Zoho Calendar is an online calendar that helps you stay organised. Zoho Calendar makes scheduling events & appointments, sharing team calendar, booking resources easy & effortless. With over 15 million happy users, we are equipped to cater for different needs - Personal...
Cost / License
Free
Proprietary
Application type
Calendar
Origin
India
Platforms
Online
Android
iPhone
Android Tablet
iPad
Apple Watch
+9
Is Zoho Calendar a good alternative to Etar?
Cron Calendar
3 likes
Cron Calendar brings the power and design of Cron’s macOS and Windows app to your phone. Schedule meetings and control your time like never before. Cron deeply integrates with Google Calendar accounts so that all your events and resources are synced.
38 Cron Calendar alternatives
Cost / License
Free
Proprietary
Application type
Calendar
Origin
United States
Alerts
Discontinued
Platforms
Mac
Windows
Online
iPhone
iPad
+1
Is Cron Calendar a good alternative to Etar?
HEY Calendar
3 likes
HEY Calendar is a digital scheduling tool designed with a unique approach to managing time and tasks. It offers a feature that allows users to rename days according to their significance, such as designating a day as 'Travel day', 'Anniversary', or 'No work...
Cost / License
Paid
Proprietary
Application type
Calendar
Origin
United States
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Snapcraft
+8
Is HEY Calendar a good alternative to Etar?
DigiCal
8 likes
A full featured calendar client for Android.
Cost / License
Freemium
Proprietary
Application type
Calendar
Origin
Netherlands
EU
Platforms
Android
Android Tablet
+9
Is DigiCal a good alternative to Etar?
Feber
2 likes
A simple, self-hostable group calendar. Feber is a single PHP file (+assets) that runs on virtually every webhost.
Cost / License
Free
Open Source (AGPL-3.0)
Application type
Calendar
Origin
Austria
EU
Platforms
Self-Hosted
YunoHost
Is Feber a good alternative to Etar?
Outlook Calendar
18 likes
Web-based time-management tool featuring appointment scheduling, sharing, reminders, to-do list integration, iCalendar file import, collaborative options, multiple calendar creation, recurring events, and cross-device access for both personal and organizational use.
66 Outlook Calendar alternatives
Cost / License
Free
Proprietary
Application types
Calendar
Todo List Manager
Origin
United States
Platforms
Online
Is Outlook Calendar a good alternative to Etar?
Dawn
Like
The minimal calendar to organize everything.
Cost / License
Paid
Proprietary
Application type
Calendar
Platforms
iPhone
+4
Is Dawn a good alternative to Etar?