First post, by Snover
Application Compatibility Toolkit 2.6 (use for old Windows games in Windows 2000/XP/.NET) -- Requires Service Pack 3 for Windows 2000.
Application Compatibility Toolkit 1.5 (use for old Windows games in Windows 2000 Pre-SP3)
VDMSound (FREEWARE sound, cdrom, vesa, and network support in DOS games running under Windows NT/2000/XP)
SoundFX 2000 (SHAREWARE sound emulator for sound in DOS games running under Windows NT/2000/XP)
PITSET (use to correctly time MIDI files in DOS games in Windows NT/2000/XP)
CLI2NOP (changes CLI assembly commands to NOP to allow certain DOS games (those built on 3D Realms' BUILD (Duke Nukem 3D, Blood) engine and iD's DOOM engine) to run in Windows NT/2000; not necessary in XP, because XP emulates CLI function while NT/2000 do not)