From: iLibrarian

Samuel Dean at Web Worker Daily has come up with two noteworthy lists of mini applications that you can run on your USB thumb drive. These to-go applications are free and take up little space - perfect for a keychain drive. The first list, 10 Free Mini Apps–Perfect for a USB Thumb Drive, includes programs which can be run on Windows:

The second list, Eleven Go-Anywhere Mini Applications for the Mac, is a listing for Mac users:

Be sure and check out the full articles for Dean’s summaries of each application.