Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.




gsimplecal is described as 'Lightweight calendar application written in C++ using GTK2. It was intentionally made for use with tint2 panel in the openbox environment to be launched upon clock click, but of course it will work without it' and is a Calendar app in the office & productivity category. There are more than 10 alternatives to gsimplecal for a variety of platforms, including Linux, Android, Windows, Mac and Flathub apps. The best gsimplecal alternative is Fossify Calendar, which is both free and Open Source. Other great apps like gsimplecal are Simple Calendar, Right Calendar, Rainlendar and Merkuro Calendar.
Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.




A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.




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...




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.



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.




Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.



Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.




GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on, Calendar nicely integrates with the GNOME ecosystem.




Orage is a new modern calendar application for the Xfce Desktop Environment. Orage has been designed from the start to be quick and easy-to-use. Its user interface is clean and intuitive, and does not include any confusing or useless options.


Desktop iCalendar is a handy desktop calendar for Windows. It stays on your desktop and shows the days of the current month. It can sync with your Google Calendar, share calendars with your family and friends. It also uses high-quality fonts, looks pretty, and has lots of skins.
