Germany
EU
+8
The Best Open Source Google Calendar AlternativesTop Calendar Apps like Google Calendar
The best open source alternative to Google Calendar is Etar. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Calendar and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Calendar are Fossify Calendar, Tuta Calendar, Calendar Lock PEA and Nextcloud Calendar.
filter to find the best alternatives
Google Calendar alternatives are mainly Calendar Apps, but if you're looking for Todo List Managers or Email Clients you can filter on that. Other popular filters include Open Source, Self-Hosted, EU, Android, iPhone, Free and Windows + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Google Calendar.
Alternatives list
53 Fossify Calendar alternativesYour privacy-aware, open-source calendar with intuitive design and multi-platform syncing.
+5
36 Tuta Calendar alternativesTuta Calendar offers secure event organization with end-to-end encryption and no ads or tracking. Enjoy multi-device sync, multiple calendar views, and offline access. Fully compliant with strict German data protection laws. Manage recurring events, unlimited calendars, and seamlessly integrate with Tuta Mail.
+4
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
34 Nextcloud Calendar alternativesCalendar interface for CalDAV enabling cross-device event sync, web-based editing, recurring events, Nextcloud Contacts integration, WebCal subscriptions, attendee invites, color coding, event notifications, privacy-focused hosting, and import/export support.
Right Calendar app is a versatile scheduling tool that offers unparalleled flexibility to its users. One of its standout features is that it is built on an open-source platform. This not only ensures transparency but also allows for constant updates and bug fixes from a...
+4
59 fruux alternativesfruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Blackberry
- Windows Phone
- iPad
- Blackberry 10
- Sailfish OS
- Software as a Service (SaaS)
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
Platforms
- Linux
- Flathub
- Flatpak
+5
50 KashCal alternativesA privacy-first calendar that works offline and looks beautiful. Connect to iCloud — or don't. Your schedule, your choice.
+4
45 KOrganizer alternativesIt provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab...
India
Switzerland
Nice, clean, and to the point calendar!