Apache FOP (Formatting Objects Processor)
Formatting Objects Processor (FOP, also known as Apache FOP) is a Java application that converts XSL Formatting Objects (XSL-FO) files to PDF or other printable formats. FOP was originally developed by James Tauber who donated it to the Apache Software Foundation in 1999. It is part of the Apache XML Graphics project. FOP is open source software, and is distributed under the Apache License 2.0. Current status. The latest version of Apache FOP is 2.6. This is the ninth stable release. Major limitations. Most important elements added in XSL-FO 1.1 (flow maps, table  markers, indexes. etc.) are not available In addition, older XSL-FO 1.0 features are still not fully supported including automatic table layout, floats and more. Input support. Apache FOP supports embedding a number of image formats in the XSL-FO (through the codice_1 element). These include: Apache FOP implements the codice_2 element with some limitations. In versions prior to 2.0, external graphics objects were limited to being drawn inline or in a block with no wrapped text. Output formats. Apache FOP supports the following output formats: In progress: