Blake Stone
Aliens of Gold, and Planet Strike (just copy game files to this folder) See Downloads

ECWolf
is an advanced source port for Wolfenstein 3D, Spear of Destiny, and Super 3D Noah's Ark based off of the Wolf4SDL code base.

Voxelstein
3D is an FPS game inspired by Wolfenstein 3D. The game uses Ken 222222man's VOXLAP engine to render voxels in software.

WolfenDoom EDGE
is wolfenstein missions ported to DOOM II, complete with all textures objects sounds and enemies

NewWolf
WinALL compatible, 3D models, hi-res textures compatible, OpenGL, but no support after 2006 and no episode endings

Wolfenstein 3D Total Conversion for GZDoom 2.1.7

Wolf4SDL
Same as the original, but supported on all operating systems and versions of windows. Tons of mods and tcs can be played

eDuke32
is an awesome homebrew engine and source port of Duke Nukem 3D

OpenJazz
is a way to play Jazz Jackrabbit on modern machines in high resolution

Commander Genius
is a software piece that interprets the Commander Keen Invasion of the Vorticons and Galaxy series.

DXX Rebirth
is a source port of Descent and Descent 2 for Windows, Mac, and Linux

SCUMMVM
Scripted Creation Utility for Maniac Mansion Virtual Machine. Run Win3.1 and DOS on new Windows

For Quake: ezQuake | Quake CD Soundtrack for /id1 folder,
Best Source Port: Darkplaces

eRampage
A nice little source port for Redneck Rampage

OpenTyrian
is a source port of Tyrian 2000, a space shooter with a new fifth episode released as freeware in 2004

Play COMMODORE AMIGA GAMES on PC
scroll to the bottom for WinUAE Amiga Emulator. or look for more here

Marathon Trilogy
Original trilogy for Macintosh, now available via Source Port on everything including PC

Chasm: The Rift
play on Windows 10 using PanzerChasm

Tomb Raider
play on windows 10. how to play in high resolution and in DOSBox

DOSGAMERS.COM
Some more source ports for more DOS Games, as well as old Home Computers and Consoles like Amiga.