Ok guys, I just found the CD I was looking for.
All UTPure sources.
And no, its not an Aprils fools...
Also includes Tickrate Independant Weapons (TIW)
Tickfix (also CPP source I think)
Unlagged (It worked rather well but never got popular)
Also the source for my Direct3D renderer with support for CD2 (Improved) Textures.