TYPO3 is, along with Drupal, Joomla! and WordPress, among the most popular content management systems worldwide, however it is more widespread in Europe than in other regions. Due to its features like editorial workplace and workflow, advanced frontend editing, scalability and maturity, TYPO3 is used to build and manage websites of different types and size ranges, from small sites for individuals to multilingual enterprise solutions for large corporations. According to the ability to support a corporate environment, it classifies itself as an enterprise level content management system. Delivered with a base set of interfaces, functions and modules, TYPO3's functionality spectrum is implemented by extensions. More than 5000 extensions are currently available for TYPO3 for download under the GNU from a repository called the TYPO3 Extension Repository, or TER.