Submit portable freeware that you find here. It helps if you include information like description, extraction instruction, Unicode support, whether it writes to the registry, and so on.
Pass-O-Meter is more of a toy than a real security program but could prove useful, nonetheless -- a single executable password strength meter, which saves no settings and leaves no traces, as tested in my Windows 7 x64 SP1...
The program's page is in Polish, so Softpedia's description used here.