Icy Phoenix is a CMS (Content Management System) based on phpBB (an open-source Internet Forum package powered by PHP) plus many modifications and code integrations which add features to the whole package.Icy Phoenix has some features originally developed for phpBB XS Project which was founded by Bicet and then developed by both Bicet (who later started slimbb) and Mighty Gorgon (Luca Libralato).Icy Phoenix has been created by Mighty Gorgon after he left the phpBB XS Project.