iCcordion is a Joomla! 3 package, including a Joomla! componenet and a Joomla! module. iCcordion gives Joomla! admins ability of having unlimited accordion modules on every Joomla! page. This extension is fully responsive and FontAwesome support.
5 preset styles of iCcordion make your hands free for having different looking accordions. Also, there is an easy to use option in the stylesheet section allowing you to have your own stylesheet for the output. QuickInstall package of this extension helps you install both extensions on one go and a sample data, installed while packge installation guide you how to deal with iCcordion items.
iCcordion is very well documented product and you will easily find out all information you need for making it use.