The Linux USB project Homepage
Usefull information about all those vendor spec. devices.
USB related projects on sourceforge
Search of USB on sourceforge.net. Nice starter for porters.
USB Organization
Get the latest info and specs directly from the place that makes them.
OS2World.com USB Forum
Special Interest Group about USB drivers, software and hardware.
OS/2 and USB Site
Reported USB compatible hardware running under OS/2 and eComStation
