Drupal Views
From Docunext Technology Wiki
Drupal "Views" is a Drupal module with a simple name matched with very sophisticated functionality.
In some ways it reminds me of the views capabilities of relational databases such as MySQL (only version 5) and Postgres.
What does it do? Drupal Views gives content managers the ability to filter and reformat content seven ways 'til Sunday. Seriously. And when I refer to "content" - it can hook into some other really interesting modules, such as Drupal Data Tables.
I'm using Drupal Views on the right sidebar on my Drupal Docunext site: