CalendarG is a schedule-reminder.
CalendarG can send reminder emails 10min, 1hour or 1day before the events that you set.
You won't miss meeings from today on.
Easy to use only because of the desktop app. (Mac OSX & Windows )
Windows 10、Windows 8.1、Windows 7
Architecture x86, x64, ARM
OS X 10.8 Mountain Lion after