Drupal has its own core statistics module to track page hits, referrers, and visitors. While it serves basic needs, I have long been dissatisfied with this module and recently switched all of my sites over to the free Google Analytics service. The service is easily enabled on a Drupal site with a contributed module written by Mike Carter.Read more
Private Number defines a CCK field type for numbers which should be kept private, such as Government-issued Identification or Bank Account numbers. These numbers are displayed as 'Ending in 123' for users without view private number access permissions, and optionally encrypted with a md5 block cipher in 128bit CFB mode.
Websnapr for Drupal is a module that adds website thumbnail previews to external links from the free