gPass - A Free and Open-Source Password Manager
Securely manage all of your passwords, and access them securely on any computer with gPass. This app lets you store your passwords and accounts in an encrypted database, and it will generate and manage complex, difficult to crack passwords for you. It's available for Firefox and Chrome browsers.
This is an open-source manager, and it allows you to have multiple master keys. Just install the app, then fill your database with master key values for different websites.
Features
Add and remove sites to the password manager.
Generate new passwords, and change them on sites that have the gPass app installed.
Log in to your websites securely, without having to remember passwords or other authentication information.
See and manage all of your sites.
Access your site's logins securely.
Use a password from the database securely.