Defpix - Defective (dead) pixels tester is a free program that can help you with checking for defective pixels on your LCD screen.
Cafe Server - Timer and billing software for internet cafes, computer gaming clubs, hotels, hostels, libraries, schools, internet points, info centres, ...
Make SFX is a free program that lets you make self-extracting archives under Win32 platform.
Thanks to this simple program you will never forget about your tea. The program requires no installation, you just download (e.g. on the work desktop) and run the file.