Apache FOP (Formatting Objects Processor) is a print formatter driven by XSL formatting objects (XSL-FO) and an output independent formatter. It is a Java application that reads a formatting object (FO) tree and renders the resulting pages to a specified output. Apache FOP (Formatting Objects Processor) est une application de mise en page de documents respectant le standard XSL-FO. À partir d’un document au format XSL-FO, cette application écrite en Java effectue une mise en page et renvoie un document prêt pour impression. Back to English and let’s say it again: Apache FOP (Formatting Objects Processor) is a print formatter driven by XSL formatting objects (XSL-FO) and an output independent formatter.