links:

HeXenII engines:

UQE Unofficial Quake Engine
UHexenII Cross-plattform-engine

Quake sites:

www.quake.de German quake site
www.quakeone.com Netquake-community site
www.quaddicted.com Quake SP archieve, site of my host Spirit
www.celephais.net/board Quake mapping forum