groupoffice  6.4.244-php-71
About: GroupOffice is a web-based office suit: Calendar, CRM, E-mail, File sharing, Projects, Synchronization (6.4 series for PHP 7.1; community version).
  Fossies Dox: groupoffice-6.4.244-php-71.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

groupoffice

... offered by Fossies.