TYPO3 CMS
TYPO3 CMS has custom written backend modules and frontend libraries used to create content on websites using template layouts and adding text, images and plugins without the knowledge of HTML, CSS language and web designing. TYPO3 CMS supports API based framework, File abstraction layer, responsive image rendering, multisite management, WYSIWYG editing and HTML5. TYPO3 CMS is a cross platform content management tool that runs on many webservers and on many like operating systems like Windows, FreeBSD, MacOS and Linux.