Simple Calendar is described as 'A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers' and is a popular Calendar app in the office & productivity category. There are more than 100 alternatives to Simple Calendar for a variety of platforms, including Web-based, Android, Windows, iPhone and Linux apps. The best Simple 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 Simple Calendar are KashCal, Calendar Lock PEA, Nextcloud Calendar and Right Calendar.
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.
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.
United States
SyncSlot was designed to solve one particular problem: to make all event attendees agree on a date and time without hassle.
Dont stress anymore about remembering appointments and keeping track of your busy schedule, let Handy Calendar do it for you. Handy Calendar allows you to view your events by month, week, day, or task. Other features include task priority and an easy to use interface.
Desktop Calendar is a cool calendar placed on your windows desktop. Record anything by double-click on desktop. It's very convenient and useful. Desktop Calendar will help you manage appointments, to-do lists, schedules, and more...
Intuitive task management/reminder app for the Mac.
Just drag the items you want to be remembered of to the Alarms menu and place them on the time line. Due items can be dragged just further right or even to another day. Creating a timer is just one single drag away.
Switzerland
PreMinder is an easy to use calendar with monthly, two-monthly, week or multi-week views. A handy scrollbar that lets you move through the months of the year. The day view editing window features an at-a-glance schedule.
United Kingdom
Google Calendar Repair, Editing & Maintenance: Delete Duplicates, multiple edit and delete, search/replace, undo failed import and sync and more!.
Atomcal is an events management platform (calendar app) that allows you to connect with Google calendar in real time and have your events on the platform sync with your communities on Discord and Twitch.
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.
Russia
