Avert
Avert.org provides aids & hiv information, including information about hiv/aids infection, hiv testing, prevention, global and african information, aids treatment, statistics and personal stories.
http://www.avert.org/
Critpath
Critpath
http://www.critpath.org/
Pedaids
Pedaids
http://www.pedaids.org/
Sfaf
The san francisco aids foundation offers services and information about hiv/aids treatments, prevention, testing, risk factors, research, clinical trials, volunteering, activism, donating and free hotline.
http://www.sfaf.org/