A modern Material 3 Expressive calendar for Android. Reads, writes, and reminds — on top of the system calendar, with zero network access.
Germany
EU
Clockenstein Alternatives
Clockenstein is described as 'A focused desktop calendar for local events, Google Calendar and CalDAV. Open source, cross-desktop and made to feel at home on Linux' and is a Calendar app in the office & productivity category. There are more than 25 alternatives to Clockenstein for a variety of platforms, including Android, iPhone, Web-based, Android Tablet and Windows apps. The best Clockenstein alternative is Fossify Calendar, which is both free and Open Source. Other great apps like Clockenstein are Etar, KashCal, Simple Calendar and Notion Calendar.
Alternatives list
- 54 Calendula alternatives
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Android
- F-Droid
+6
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
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
United States
+8
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.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
- Android
- Windows
- Mac
- Software as a Service (SaaS)
- Self-Hosted
- Docker
- United States
+9
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
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.
Platforms
- Mac
- Windows
- Online
- iPhone
- iPad
- United States
+1
76 Outlook Calendar alternativesWeb-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.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
- United States
55 aCalendar alternativesAndroid calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Android
- Germany
- EU
+5
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
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
India
+9
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.
Sri Lanka
+9
Sweden
Austria
