Master Password - Cross-platform
Master Password is based on an ingenious password generation algorithm that guarantees your passwords can never be lost. Its passwords aren’t stored: they are generated on-demand from your name, the site and your master password. No syncing, backups or internet access needed.
OS: Windows, Mac, Linux, iOS, Android, Web.
KeePass / KeePassX - Local
KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. All passwords in one database, which is locked with one master key or a key file. The databases are encrypted using the best and most secure encryption algorithms currently known: AES and Twofish. See also: KeePassX.
OS: Windows, Mac, Linux, iOS, Android, BSD.
LessPass - Browser
LessPass is a free and open source password manager that generates unique passwords for websites, email accounts, or anything else based on a master password and information you know. No sync needed. Uses PBKDF2 and SHA-256. It’s advised to use the browser addons for more security.
OS: Windows, Mac, Linux, Android