Over the past few weeks IBM developerWorks has been posting articles up entitled 'Using open source software to design, develop, and deploy a collaborative Web site'.

Amoung the application they use is Drupal, which is an excellent Open Source CMS framework. It is important to understand the Drupal is a framework for developing websites and therefore extremely flexible.

There are now 9 articles covering the development of the website and well worth having a read. The full list is here.