For creating website

For all that you need to know to create a website and manage contents

 

http://www.w3schools.com/

An open source Content Management System

This is an open source CMS. Can be very useful in learning and building something on your own.

 

http://drupal.org/

Something to boost website's functionality

This is an interesting article with some tips on boosting website's functionality

 

http://sixrevisions.com/tools/20-drupal-modules-to-boost-your-websites-functionality/

 

Some white papers on WCM

 

Resources at Infocenter at this page are very useful. You may like to browse through other pages as well.

 

http://www.crownpeak.com/Infocenter/Index.aspx