DCK       -  Doom and Doom II construction kit
DEEP      -  Map Editor for DOOM I and DOOM II
DEHACKED  -  Allows modification of DOOM.EXE or DOOM2.EXE
DEU       -  DOOM I WAD editor
DEUTEX    -  Allows remove/add/view images for DOOM I and DOOM II 
DMAUD     -  Sound editor for DOOM I and DOOM II
DMGRAPH   -  Allows add or removal of patches in DOOM I or DOOM II
DMMUSIC   -  Music extraction/insertion in a Wad file for DOOM I and DOOM II 
DOOMCAD   -  Windows based level creator for DOOM I
DOOMED    -  Comprehensive Windows based editor for DOOM I
EDMAP     -  Map editor for DOOM I and DOOM II
NODENAV   -  Graphically displays level info. for DOOM I and DOOM II
RMB       -  Reject Map Builder for DOOM I and DOOM II 
WADED     -  Map editor for DOOM I and DOOM II
WINDEU16  -  Windows version of DEU (16 bit)
WINDEU32  -  Windows version of DEU (32 bit)
WINTEX    -  Same functionality as DEUTEX but with graphical interface
ZIPPED    -  All of the above in compressed format