DateTree, a Mac OS X application, will copy files into a set of folders named by date. Although the program was written with images in mind, it will handle any file. Selective copying is possible, and several date-based organizations are offered.

Lifespan Age Calculator can subtract dates to find the elapsed age and also subtract an age from a date to find a start date. by Peter Riddell, Les Riddell

ToolbarPro is a powerful and highly configurable toolbar for Windows 95/98/2000 and NT environment. The ToolbarPro does not only launch programs or open web pages like many other toolbar programs. Thanks to powerful build-in macro language (contains 100+ commands) the ToolbarPro allows a user to perform variety tasks including: inserting text (often used phrases, special characters, etc.), inserting time & date, file and directory manipulation, clipboard manipulation, FTP upload & download, windows manipulation, driving other apps by sending keystrokes to them, text formatting and more. The macro language supports variables and several flow-control commands (if-else, loop, wait, etc.). Macro language is easy to use. All available commands are organized in a tree and each command is visually editable.
The ToolbarPro is coming with pre-configured toolbar that the user can customize and use. Basic customization (like adding new applications or web links) can be done by drag & drop.