Get a countdown timer in the menu bar.
Display the real-time system, process/thread, and registry activity.
Roll up a window like a windowshade.
drag & drop files to compute SHA-1, MD5, other hash values
DX cluster app for SW listeners, DXers & monitors
decompress and convert files from the command line
Perform date and time calculations useful to genealogists.
Put a set of eyeballs in your menu bar or on desktop.
Play a port of Bob Nystrom's classical Duck to Mac OS X
Recover lost JPEG images from memory cards.
Manage your aquariums.
Make your Mac ready for presentation.