The only references to "open source" that I can find are within our Savannah hosting application.
These were simple human errors in crafting the application pros, which is pretty clear looking at our license, sources and FSF Directory page.
$ grep -ir 'source' * | grep open
: an open-source alternative to encourage the free intermixing of
: 4. Evangelize open-source and GNU and drive adaptation by gamers by
: providing a single open source platform e.g., whether for
: 8. If otherwise successful, enhance the GNU open-source tool-chain
Thank you and please let me know anything needed or helpful to considering dungeon-mode for inclusion on Savannah..