Drupal is a free software package that allows an individual or a community of users to easily publish, manage and organize a wide variety of content on a website. Drupal is open-source software distributed under the GPL ("GNU General Public License") and is maintained and developed by a community of thousands of users and developers. Tens of thousands of people and organizations are using Drupal to power scores of different web sites, including:
- The ability to access content in a number of different ways.
- An established security team that releases updates whenever a vulnerability is discovered.
- Zero licensing costs.
- Built-in caching for high-visibility sites.
- Role-based permission system.
- Advanced taxonomy system.