password manager
software for storing and retrieving passwords/credentials
Password Safe
free password manager by Bruce Schneier
Sticky Password
password manager
factotum
password management and authentication protocol
GNOME Keyring
daemon application designed to take care of the user's security credentials
Seahorse
GNOME front-end application for managing PGP and SSH keys
Keeper
password management software
Pass
Unix based password manager software
Mitro
Password manager
Pleasant Password Server
Password Server