Editor for Fixed Width, Csv and Existing Xml files.
...It can generally find both Text and binary / packed deicimal fields in a file
For Simple Csv you should look at its sister project reCsvEditor.
Note: The core Editor code is also used in the "Protocol buffers editor" and "Avro Editor"
Add-on for the WSDL2... utility from the Apache Axis project, this utility will read WSDL files and generate COBOL copybooks and source code appropriate for marshalling and unmarshalling XML messages.