This website, like almost all others that I like to work with, uses the Drupal content management framework. The following is pretty much a collection of handy modules, gotchas, tricks and hacks derived from experience.

Drupal "Access denied" Message
Replace Latin Swedish with Unicode
Ticker-Tape News for Drupal 7
Events and Registration in Drupal 7
Removing a Book from Drupal
Search box (etc) Positioning in Drupal7
Append to Drupal Node Body From Specific Content Types
JQuery and Views for Slideshows with Drupal 6.x
Updating Drupal Core and Modules
Bookmarks Module