EdMap is a DOS-based level editor written by Jeff Rabenhorst. The last update, version 1.40, was released on June 20, 1995. Features include: * Support for the original Doom, Doom II: Hell on Earth, and Heretic. * Online help including a hyperlinked version of the Unofficial Doom Specs. * Shortcuts to allow fast mouse editing. * Good interface with support for texture/sprite WADs. * Very powerful, but uses only the 640 K conventional memory. * Easy to switch nodesbuilder by means of editing a batch file (default WARM).