K-Lite Codec Pack 4.7.0 Full, Standard and Basic
Real Alternative 1.90 (Plus Lite)
K-Lite Mega Codec Pack 4.7.0
FFDShow MPEG-4 Video Decoder 2009-03-05 (Plus MMX/SSE)
Codec Pack All in 1 6.0.3.0
QuickTime Alternative 2.8.0 (Plus QT Lite 2.8.0)
XP Codec Pack 2.4.6
Media Player Classic 6.4.9.1 for Win9x/Me/Win2000/NT/XP/Vista (Plus Media Player Classic - Home Cinema (by Casimir666) 1.2.908)
LAME MP3 Encoder 3.98.2 (Plus LAME MP3 Encoder 4.0 alpha 14 - Only for testing!)
AC3 Filter 1.51a (Plus AC3 Filter 1.46 stable)
And more ...