Password Safe and the Twofish encryption algorithm it uses were originally developed and released to the public by Bruce Schneier and Counterpane Labs. Twofish is a fast, free alternative to the AES, DES and IDEA encryption algorithms.

How many passwords and user names do you have to keep track of? Whether the answer is one or hundreds, Password Safe allows you to safely and easily create a secured and encrypted master password list. A single Master Password unlocks them all for your use.

Security starts with the user. Keeping written lists of passwords on scraps of paper, or in a text document on your desktop is unsafe and is easily viewed by prying eyes (both cyber-based and human). Using the same password over and over again across a wide spectrum of systems and web sites creates the nightmare scenario where once someone has figured out one password, they have figured out all your passwords and now have access to every part of your life (system, e-mail, retail, financial, work).

Password Safe allows you to manage your old passwords and to easily and quickly generate, store, organize, retrieve, and use complex new passwords, using password policies that you control. Once stored, your user names and passwords are just a few clicks away.

Using Password Safe you can organize your passwords using your own customizable references—for example, by user ID, category, web site, or location. You can choose to store all your passwords in a single encrypted master password list (an encrypted password database), or use multiple databases to further organize your passwords (work and home, for example). And with its intuitive interface you will be up and running in minutes.

PasswordSafe V3.31 (11 May 2013)
- Changes to Existing Features in V3.31
698 Autotype now supports URL and email fields with \l and \m, respectively.
673 Improved selection of subset of password: characters can be specified from the end of the password as well as from the beginning (thanks to DK).
Bugs fixed in V3.31
1098 Fixed typos in online help (thanks to PeterHB).
1097 Fixed typos in file format description text (thanks to PeterHB).
1096 Correct suffix appended to proposed filename when exporting to XML.
1095 Ampersand (&) is handled correctly in Password Policy (thanks to Andrey)
1092 Compare DB results context menu items now enabled correctly in Read Only (thanks to DK).
1085 Preferences that are stored in the database are colored blue again (thanks to DK).
1086 Unknown database preferences are preserved (thanks to DK).
1081 Minor issues related to password policy options.
1079 Password history date is now displayed in locale's format in entry's Additional tab.
1078 Expand entry's autotype value in Run Command's $a parsing.
1077 Don't report URL as copied to clipboard when it isn't.
1068 Opening a protected entry no longer causes a sound in Windows.