KeePassX is an application for people with high demands for the secure
management of personal data.  KeePassX saves many different information,
e.g., user names, passwords, URLs, attachments, and comments in a single
database file.  User-defined titles and icons can be specified for each
entry, and entries can be sorted into customizeable groups.  And search
functionality and easy-to-use features for generating secure passwords
are included.

KeePassX database files can also be used by KeePass and KeePassXC.