Category:Level editors

DOS

 * Doom Construction Kit
 * Deep
 * Deth
 * DEU
 * DMapEdit
 * Edmap
 * WADED
 * ZETH

Windows

 * DeePsea
 * Doom Builder
 * DoomCAD
 * WadAuthor
 * WadC
 * WinDEU

Mac

 * Demon
 * Hellmaker

For more Macintosh utilities

http://www.macfury.com/

Unix/Linux

 * Yadex

OS/2

 * DEU