We work in microsoft sequel server SQL, My sql, php, Java and many other lesser known derivatives
The 3 source programmes we really like right now are Drupal, Wordpress and Magento
Our Drupal and Wordpress content management and blogging update systems are highly innovative and give customers the very latest in secure content, easy to upload features and google searcheable keyword text.
Drupal is highly secure and has in built blogging so best for higher end applications.
With all development applications though its down to user skill not just about nominating a programme! Magento is our prefered e-commerce platform