Password Agent allows you to store all your sensitive data like passwords, PIN codes, credit card numbers, software serial numbers and other textual data in a single, easy to navigate and secure database. You'll only need to remember one master password that gives access to the database.
Password Agent will also help you to fill login prompts on web sites automatically. All information is grouped similar to folders on disk and it is very easy to find, even user interface is similar to Windows Explorer. Other features include unlimited-length text fields, password generator, sorting, printing, import/export, 256-bit U.S. government approved encryption, auto-lock & auto-close features for enhanced security, drag'n'drop, automatic backup, file history etc. Password Agent is resource friendly and efficient, its database files are very compact.
Fully functional Lite version is completely free but limited to 25 entries per file. Upgrade to Unlimited version costs $24.95.