CallWave: Internet Answering Machine - Hear who's calling while you're online for free. Avoid the cost of an extra phone line. Instead of getting a busy signal, your callers can leave a message you hear over your computer speakers.
Checkdomain.com - check to see if a domain name is available for almost every country in the world.
Cybercafes.com - "An extensive database of internet cafes and internet access points. You can browse for cybercafes by name of the city or country."
DSL Reports - DSL stands for Digital Subscriber Line, a technology for providing fast internet access. DSLreports.com provides information on DSL availability, and general residential and small business BroadBand information.
Electronic Privacy Information Center - This site works to protect privacy, freedom of expression, democratic values, and to promote the public voice in decisions concerning the future of the Internet.
Google Zeitgeist - Search patterns, trends, and surprises according to Google. For both breaking news and obscure information alike, people around the world search on Google at www.google.com. With a bit of analysis, this flurry of searches often exposes interesting trends, patterns, and surprises.
HotSheet - "Quick loading, single page, directory of only the best web sites."
Internet Archive - The Internet Archive, a comprehensive library of Internet sites and other cultural artifacts in digital form. Includes the "Wayback Machine", a free service allowing people to access and use archived versions of past web pages.
Spam Fighting Toolkit - Fighting the never ending tide of spam mail can turn into a very frustrating experience if you don't know the real tricks of the trade. This site provides and overview of resources that will aid you in effectively combatting unsolicited E-mail, showing you the possibilities (and, alas, the limits!) of your endeavor.
Who Is - InterNIC - The InterNIC's Whois service provides a way of finding e-mail addresses, postal addresses and telephone numbers of those who have registered "objects" with the InterNIC. Using Whois, you can also determine whether the domain name you desire is already in use; you can learn who administers a particular site; and you can view a list of a site's name servers.
WhoWhere? - People and Organization Search Service
Yahoo! Buzz Index - Ever wonder about what users use and search on while surfing? With this new site, you can track the top subjects of daily searches at Yahoo! in five categories: television, sports, music, movies, and overall.