GroupOffice is a groupware suite that takes your office online, implementing online collaboration and CRM. It allows you to share projects, calendars, files and email online with co-workers and clients. It is easy to use and fully customizable. It also features synchronization with PDAs and Outlook.
TYPO3 CMS is a Web Content Management System which features automatic creation of navigational menus, headlines, and other dynamic graphical elements, automatic conversion and scaling of images, the ability to present different templates based on variables such as client browser or country code, support for multiple templates on a site, and a built-in password-protection option. Pages can be timed to be shown on a certain date, be hidden on a certain date or just temporarily hidden. TYPO3 supports search in SQL-databases and redesigning of a website at once is just a matter of creating a single new template.
eXtplorer is a Web-based file manager. It allows you to copy and move files and directories by drag and drop, display a dynamic directory tree with on-demand loading of subdirectories, create and edit files with syntax highlighting, access files either directly or through FTP to overcome permission and file ownership issues, upload and download files, create and extract archives, and set up users with different permission levels. It can be used standalone or as a component for Joomla!.