Listmaps-style list of loaded maps for ZScript - ZDoom
RadiusDebug - Actor radius (hitbox) tool (18/05/21 update!) - ZDoom
Getting the error "gzdoom doesn't support execution of console commands from scripts" when playing Brutal Doom 64 . Game runs fine except none of the new enemies spawn instead tehre are these
Miscellaneous options - ZDoom Wiki
Display options - ZDoom Wiki
Compatibility options - ZDoom Wiki
The ZDoom Community Map Project (ZDCMP2) Take 2 addon - ModDB