XToGen is developed and maintained by PASS Technologie company. It appears as Free Software on Savannah community site. PASS Technologie provides a website containing documentation and allowing free downloads of XToGen.
To get help using XToGen, drop a line to xtogen-users@nongnu.org.
If a feature you need is missing, feel free to develop it. We'll see together how to integrate it. Otherwise, we also work for you. The enhancement to XToGen will be given to the community.