Doom Legacy

Doom Legacy is one of the most popular Doom source ports. It is available for DOS, Win32, Linux, OS/2 and MacOS.

A new version of Legacy is being written in C++. It will add many additional features to an already extensive list:

Features

 * TCP/IP multiplayer networking (including a masterserver for Internet game searches)
 * Almost complete Boom and Heretic support
 * OpenGL rendering
 * Higher resolutions
 * DirectSound 3D
 * Console with support for key binds
 * FraggleScript for scripting
 * 3D floors, water and coloured lighting
 * Mouse aim and crosshairs
 * Jumping