PreMinder is described as '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' and is a Calendar app in the office & productivity category. There are more than 25 alternatives to PreMinder for a variety of platforms, including Windows, Linux, Web-based, Android and Mac apps. The best PreMinder alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Simple Calendar. Other great apps like PreMinder are Apple Calendar, Rainlendar, Passfindr and Morgen.