J! Secure Password Hashes provided an easy access to all Joomla! password hash algorithms and the Drupal 7 SHA-512 hashing algorithm. Compatible: Joomla! 2.5.
Amnesia is a design-rich 'host-proof' web application that encrypts and remembers all sorts of personal information from passwords to private notes. Project now hosted at Google Code: https://code.google.com/p/amnesia-app/