Passgen 3.0.0 offers you a flexible password generator. This is among the best security tools

Jarle Aase, the author of this program, has been working professionally with software development, IT security, IT consulting, and software design since about 1996. He has also held courses in programming and IT security and is the co-author of a textbook about computer hardware and operating systems. Hundreds of thousands of companies and private-persons world-wide, including NASA, Us Air Force, IBM, and Compac, use or have been using software written by Jarle, or software Jarle has contributed to. 

Major features

1. The flexible password generator that can make anything from simple easy-to-remember passwords to unbreakable keys.
2. The target audience is everyone from home-users to experienced system operators.

Improvements of this version: Now also available for Linux

Requirements: Microsoft Windows 2000 or newer or Linux with Xwindows and wxwidgets