Reminder Commander - Reminder manager that reminds you about important events in advance.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Desktop-Reminder - Desktop-Reminder is a freeware task planner for Windows to manage your tasks and other to-dos’ in really easy way.
Date Reminder - Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay...
Rainlendar - Rainlendar - Customizable desktop calendar
024h Lucky Reminder - 024h Lucky Reminder is a reminder software for home and office.