NWTpro v1.4 is still under heavy construction, this BETA is a special release for the book 'Tricks Of The Doom Gurus'. There us still no help-system or manual available - the book mentioned above is the only documentation.
TED is a full screen editor that allows editing of the ENDOOM data. At the moment, TED does not allow direct editing of the IWAD or a PWAD, although this may be added in the future (if I can figure out from the DEU source how the WAD is organised :)
WinTex lets you customise your DOOM, HERETIC or HEXEN levels beyond what is possible with level editors. It let you replace sounds, musics, and monster sprites, and let you create new wall textures, floors and ceilings. And it will collaborate wi