map editor for the classic DOOM games

 Eureka is a cross-platform map editor for the classic DOOM games.
 It started as a fork of the Yadex editor attempting to make it use the
 FLTK GUI toolkit and implement multiple Undo / Redo.
 .
 Supported games include DOOM, DOOM 2, Final Doom, FreeDoom, HacX and Heretic.
 Supported source ports are Boom, EDGE, Doom Legacy and Odamex.