Fleeting Password Manager generates and manages passwords.
...Passwords are always regenerated on-the-fly from the given login data when needed and are never saved. In other words, Fleeting Password Manager combines the password creation and management. The length of the generated password is configurable between 8 and 32 characters and Fleeting Password Manager can remember wanted URL/User-pairs.
The newest source code and relases here: https://github.com/juzzlin/FleetingPasswordManager/releases