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 Android, Web-based, 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 Aug 23, 2026

hash-calendar
1 like
lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.
54 hash-calendar alternatives
Cost / License
Freemium
Open Source (MIT)
Application type
Calendar
Origin
Sri Lanka
Platforms
Online
Self-Hosted
Docker
YunoHost
+9
Is hash-calendar a good alternative to Etar?
SSuite My Calendar Diary
3 likes
SSuite My Calendar Diary Portable is a software utility whose purpose is to provide individuals with a simple means of keeping better track of their schedule.
Cost / License
Free
Proprietary
Application type
Calendar
Origin
South Africa
Platforms
Windows
+1
Is this a good alternative to Etar?
TinyMonth
Like
Life changes, and so should your ability to plan around it. TinyMonth is a simple zoomed-out calendar. It lets you pencil in dates, switch things around, and share it simply.
Cost / License
Free
Proprietary
Application type
Calendar
Origin
United States
Platforms
Online
Is TinyMonth a good alternative to Etar?
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Google Calendar
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Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, ...

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DNMX
Like
DNMX or Dark Net Email Exchange is a dark net email provider that allows anyone to create an email account anonymously and receive/send emails to the clear net.
Cost / License
Freemium
Proprietary
Platforms
Online
Is DNMX a good alternative to Etar?
Calendarific
Like
Calendarific is a global holiday JSON API and event management & intelligence platform.
Cost / License
Freemium
Proprietary
Application type
Calendar
Platforms
Online
Is Calendarific a good alternative to Etar?
TopCal
1 like
Ad-free Android calendar with gesture navigation, tasks and CalDAV sync.
Cost / License
Freemium
Proprietary
Application types
Calendar
Todo List Manager
Origin
Germany
EU
Platforms
Android
Android Tablet
Android Wear
+9
Is TopCal a good alternative to Etar?
SilentSuite
1 like
End-to-end encrypted sync for calendar, contacts and tasks. Integrates with your existing apps, data is encrypted on your devices before it ever reaches the server.
12 SilentSuite alternatives
Cost / License
Freemium
Open Source
Application type
Calendar
Origin
United States
Platforms
Online
Android
Windows
Mac
Software as a Service (SaaS)
Self-Hosted
Docker
+9
Is SilentSuite a good alternative to Etar?
MA Calendar
1 like
The only fully-functional open-source calendar app with Material You.
Cost / License
Free
Open Source (GPL-3.0)
Application type
Calendar
Origin
United States
Platforms
Android
F-Droid
Obtainium
Is MA Calendar a good alternative to Etar?
Zenframe
1 like
Zenframe is a calm, all-in-one family planning app that combines shared calendars, tasks, meal planning, routines, and an AI assistant. Designed to reduce mental load and bring structure to busy families with a clean, distraction-free experience.
Cost / License
Freemium
Proprietary
Application type
Todo List Manager
Origin
Norway
Platforms
Online
Software as a Service (SaaS)
+2
Is Zenframe a good alternative to Etar?
Velprium
1 like
Velprium is a digital bullet journal built on top of your Google Calendar. Keep your calendar exactly as it is Velprium adds status, tags, and ratings to your events, lets you see the same day through Plan / Act / Review lenses, and turns your history into weekly & monthly...
Cost / License
Free
Proprietary
Application type
Calendar
Platforms
Online
+2
Is Velprium a good alternative to Etar?
Calendar in Telegram
2 likes
@Calendar0bot is an AI-powered calendar and reminder assistant that works entirely inside Telegram.
Cost / License
Freemium
Proprietary
Application type
Calendar
Platforms
Mac
Windows
Linux
Android
iPhone
Telegram
+2
Is Calendar in Telegram a good alternative to Etar?
kurrier
1 like
Kurrier is a modern, self-hosted workspace for email, calendar, contacts and storage.
Cost / License
Free
Open Source
Application type
Calendar
Platforms
Self-Hosted
+1
Is kurrier a good alternative to Etar?