Astalavista Security Group have a webage that lists top freeware software products in various categories like Anti Virus-Tools, Firewall and Password Crackers...

But the more interresting is that RockXP is on this top ten :-)

astalavistaclassement9fi.th Astalavista.com Top 10

RockXP 4.0 will be soon on the web but for the moment...chuuut it's confidential :-)