Ultimate Date Calculator 

Professional date calculator for commercial use. The tools include - interval between dates; add days; perpetual calendar; chronologies; recurring dates e.g. pay and loan days; plans & schedules; pro-rata accounts and other functions. Saves to file.
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DateTray 

DateTray is designed to show todays date and calendar in your system tray. By clicking on the date in the system tray it will display a calendar on your screen and allow you to search forwards and backwards to display any date you require.
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