Drupal is a powerful and flexible content management system (CMS) that allows users to create and manage websites easily. It is open-source, meaning that anyone can use, modify, and distribute it freely, making it a popular choice for developers and organizations alike. With a robust ecosystem of modules and themes, Drupal can be tailored to meet various needs, from simple blogs to complex enterprise applications. Its strong community support ensures continuous improvement and innovation, making it a reliable option for building dynamic and scalable websites.