Password Dragon – Free, Easy and Secure Password Manager for Windows, Mac and Linux, FREE: First of all it’s free. Password Manager is a freeware. EASY: The application is very intutive, user friendly and easy to use. SECURE: Files are encrypted with BlowfishJ algorithm. Remember only the master password. MULTI-PLATFORM: Works on Windows, Mac and Unix as this is written in Java. Can be launched directl.