Note that KeePass 2.x runs under Linux / Mac OS X, too; see Running KeePass under Mono. For developers KeePassJava2 library for Java Icons No trailing icon = compatible with both KeePass 1.x and 2.x. = compatible with KeePass 1.x only. = compatible with KeePass 2.x only. Others "KeePass" is the password manager developed by Dominik Reichl.