What is Drupal ?
Drupal is a content management framework, content management system and blogging engine, it is used to build websites and ready to be used with just the basic core software. Drupal is highly modular and additional functionality are done by adding extra addon modules developed by the community.
Award winning web 2.0 development tool
Drupal's approach of clean coding and separating the content management layer and content presentation has won the heart of many web developers, it is gaining popularity and has been winning many online awards, it is rated to be one of the best web 2.0 building tool. Drupal is released under GPL ("General Public License") and free to download and use, this software is actively maintained and developed by a community of thousands of users and developers.