Choosing a WAD editor

A WAD editor allows you to edit WAD files to add and modify sprites, music, DeHackEd patches and other things. Some level editors have a WAD editor built in, like DeePsea.

Mac

 * Deimos
 * WWKSuite

Windows

 * WinTex
 * NWT and NWT Pro
 * XWE, http://www.doomworld.com/xwe/
 * WadAuthor
 * Doom Builder

OS/2

 * Wad Builder

Linux/Unix

 * Deutex/DeuSF
 * yadex