Ascendo DataVault 4.4.8
the author of this app says:
Ascendo DataVault stores confidential information like Credit Card numbers, usernames, passwords, PINs, etc. on your BlackBerry and Desktop using the most powerful encryption available.DataVault is the most comprehensive Password Manager for BlackBerry. The rich feature set includes advanced Security Options, Tree and List Views, extensive Browser Integration, Email Encryption, Desktop Synchronization and numerous Customization settings.
Unmatched features and ease-of-use have made Ascendo DataVault the best-selling Password Manager for BlackBerry.
BlackBerry OS 4.0 or higher.