http://www.pine.nl Netherlands (pretty and
well written services list) -
Lab standards
ISO 17025 Bogon compilation BGP whois Anit Singh from the trenches
http://seclists.org/lists/nmap-hackers/2003/Oct-Dec/0003.html
Top 75 tools:
http://www.insecure.org/tools.html
Second tier tools:
http://lcamtuf.coredump.cx/p0f.shtml - p0f - passive OS fingerprinting
Fydor also has a good list of topic mailing lists at:
http://seclists.org/