A free app for Windows, by Appnimi
1.0
Windows 8 / Windows 7 / Windows Vista / Windows 2003 / Windows XP / Windows NT / Windows 2000 / Windows ME / Windows 98 SE / Windows 98
Appnimi
Nice tool that shows hidden passwords
Simple but powerful password generator with user-friendly interface.
Password generator with multiple configuration options
For Windows, an open-source tool for manipulating all sorts of zip files