http://cgi.cs.duke.edu/~des/vct/vct.cgi - This VCT (Virtual Coin Toss) page allows multiple parties in different locations to perform a coin toss which they all can verify separately.
http://www.esolutionsdata.com/ - Just enter the data you need and we'll produce an authoritatve webpage for you to link to or print.
Safer Surfing
http://www.opendns.com/ - OpenDNS provides a safer, faster, more reliable and smarter DNS service free to any Internet user. Just change your DNS settings to the OpenDNS servers
McAfee SiteAdvisor - http://www.siteadvisor.com/ - "We test the Web to help keep you safe from spyware, spam, viruses and online scams."
Privacy/Anonymity Tools
http://tor.eff.org/ - "Using Tor can help you anonymize web browsing and publishing, instant messaging, IRC, SSH, and other applications that use the TCP protocol."
http://torpark.nfshost.com/ - Run Torpark.exe and it will launch a Tor circuit connection, which creates an encrypted tunnel from your computer indirectly to a Tor exit computer, giving the appearance of having the Tor exit computer's IP.
http://www.pookmail.com/ - PookMail.com is a disposable email account system. Use PookMail.com to avoid giving your personal email address to suspicious websites.