RemindMe is a windows desktop application that will notify you of events that you created using this application. RemindMe will create a popup on the middle of the monitor you have your mouse cursor on(if you have multiple monitors).
+2
GMinder Alternatives
GMinder is described as 'Reminder program that waits in your system tray and alerts you when you have an upcoming Google Calendar event' and is a Calendar app in the office & productivity category. There are more than 25 alternatives to GMinder for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best GMinder alternative is Apple Calendar, which is free. Other great apps like GMinder are Rainlendar, Merkuro Calendar, BusyCal and One Calendar.