gsimplecal is a 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.

GNOME Calendar is described as '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' and is a Calendar app in the office & productivity category. There are more than 50 alternatives to GNOME Calendar for a variety of platforms, including Linux, Mac, Windows, Web-based and Android apps. The best GNOME Calendar alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Fossify Calendar. Other great apps like GNOME Calendar are Simple Calendar, Apple Calendar, Right Calendar and Rainlendar.
gsimplecal is a 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.

It 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...





qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list.



CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device. It can either work with the built-in calendar or it can sync directly with Google.




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.


OrgBusiness Software is a software company focused on the development of time management programs that include:




California is a calendar built for GNOME 3. It allows you to view and manage your online calendars with a simple and modern interface.

Maya is a slim, lightweight, GCal-syncing GTK+ Calendar application written in Vala, specifically for elementary OS . Also looks and works great on other GTK+ desktops.

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.



