The fop-transcoder-allinone-svn-trunk.jar file is built from the Apache FOP project (http://xmlgraphics.apache.org/fop), version svn-trunk. This is only needed if you want to transcode to PDF, otherwise it can be removed. The pdf-transcoder.jar file is licensed under the Apache License 2.0, which can be found in the distribution root directory in the LICENSE file.