TYPO3 is described as 'Enterprise-class, open source CMS, used internationally to build and manage websites of all types, from small sites for non-profits to multilingual enterprise solutions for large corporations' and is a CMS tool in the development category. There are more than 100 alternatives to TYPO3 for a variety of platforms, including Self-Hosted, Web-based, Linux, Windows and Mac apps. The best TYPO3 alternative is WordPress, which is both free and Open Source. Other great apps like TYPO3 are Ghost, Drupal, Joomla and Grav.