ZNBX (ZDoom Node Builder eXperiments) is a library containing the functionality of the ZDBSP node builder.
ZNBX may be used under the GNU General Purpose License (version 2 or, at your option, any later version).
./TRACKING contains the Git commit SHA of the latest relevant commit of GZDoom to which ZNBX is up-to-date.
The VileTech repository from 0d3c3115 to f3371306 contains extra Git history leading up to the current state of this code.