AV-Comparatives.org - Independent Tests of Anti-Virus Software - On this site you will find independent comparatives of...
Productz.com - Crowdsourced products database
Virus Bulletin - Virus Bulletin is a security information portal, testing and certification body with a formidable...
Versus - Find popular alternatives to anything in a jiffy
Proactive Security Challenge - Proactive Security Challenge project.
Diffen - Compare anything to find similarities and differences. Read, improve or create comparisons.