http://japan.zdnet.com/news/sec/story/0,2000056194,20425227,00.htm

(f.k.a. F22 Raptor) is a tool designed to perform "Stress Testing". https://github.com/yersinia/junkcode/tree/master/tool/t50/t50-2.45r-H2HC

http://w3af.sourceforge.net/

https://www.jpcert.or.jp/wr/2011/wr110201.html