SimBust Calendar Manager is a simple yet, robust application that allows you to quickly add, edit, view, and organize calendar events and Things-To-Do items. It has four panes for category, To-Do list, calendar events, and content details, all just one quick away. Data can be protected at the file level and even hidden at the category level for more discreet types of data.

The license of this software is Freeware, you can free download and free use this calendar software.