Version 6.25 of the Nmap network scanner is out; it contains a lot of new
stuff. "Nmap 6.25 contains
hundreds of improvements, including 85 new NSE scripts, nearly 1,000 new OS
and service detection fingerprints, performance enhancements such as the
new kqueue and poll I/O engines, better IPv6 traceroute support, Windows 8
improvements, and much more."