Secret stashes of Rainbow Tables - WPA, NTLM, LM, MD5 etc.

So for the WPA tables check out:http://www.offensive-security.com/wpa-tables/
including the password file that was used to generate them: http://www.offensive-security.com/wpa-tables/wpalist.txt.tar.bz2

And for everything else you can get them here: http://rt.0x80.org/

Know of another stash? comment so we can get a list going..

Nick Harbour's tools

And yes, even PEScambler ;-)
http://www.rnicrosoft.net/

Security Docs (beta)

http://secdocs.lonerunners.net/

Undocumented Functions of Windows

http://undocumented.ntinternals.net/

Web Sniffer

Good site for recon without touching the host:

http://web-sniffer.net

NIST Vulnerability Database Search

Better than OSVDB?
http://web.nvd.nist.gov/view/vuln/search?execution=e2s1

Virtual Appliances for the Security Pro

http://tssci-security.com/archives/2009/03/18/virtual-appliances-for-the-security-professional/

Saved Password Locations

Hmm... not sure if this was an intended side effect or not ;-)
http://www.nirsoft.net/blog/2008/11/saved-password-locations.html

Metric $... Ton of Fuzzers

http://www.krakowlabs.com/lof.html

VELite

Revert to snapshot, download anything install anything and be back to a normal desktop quick? Sweet, sounds like something my mom and my honeypot can use.
http://www.secureol.com/downloadVElite.htm

Browser Security Handbook

mmmmm crunchy: http://code.google.com/p/browsersec/

SSLStrip Video - John Strand

http://www.vimeo.com/3970303