GZDoom

GZDoom is a ZDoom-based port which is maintained by Christoph "Graf Zahl" Oelckers. It was first released on the 30th August 2005 and currently (as of July 2006) runs only in Windows, although there are some patches to compile and run it natively under Linux (as of October 2007).

Features

 * Full 3D floors (including slopes)
 * OpenGL renderer, based off PrBoom's OpenGL renderer
 * Inventory and weapon definitions via DECORATE
 * FraggleScript support (so Legacy/Eternity/SMMU maps are supported)
 * Global FraggleScripts via the FSGLOBAL lump
 * Reflective floors
 * Dynamic lights
 * Quake II/Half-Life-style skyboxes as well as regular ZDoom skyboxes
 * High-resolution textures, defined as in ZDoomGL
 * Eternity-style water warping
 * Ability to alter jump height in ACS
 * MD2 and MD3 model support (limited to Monsters and Static Things)
 * ENDOOM support