PHProjekt is a modular application for the coordination of group activities and to share informations and document via intranet and internet.
Components of PHProjekt: Group calendar, project management, time card system, file management, contact manager, mail client and 9 other modules
PHP Bookmarks/Favorites and contacts management (and other stuff). Booby is a multiuser, multilanguage, fully themeable web-based desktop application which provides online management for bookmarks/favorites, contacts, todo's, notes and news feeds.
Booby is based on a generic MVC design pattern. This pattern is based on items with a potential hierarchical relationship.