1KeePass is a free open source password manager, which helps you to manage your 2passwords in a secure way. You can put all your passwords in one database, which 3is locked with one master key or a key file. So you only have to remember one 4single master password or select the key file to unlock the whole database. The 5databases are encrypted using the best and most secure encryption algorithms 6currently known (AES and Twofish). 7 8This is the official KeePass application, which was originally only available 9for Windows, but has now been re-written with .Net and able to be run on BSD, 10Linux and Mac OS X with Mono. 11