Goban is a powerful, simple, fast go board for Mac OS X. Play against the program, with people on the Internet or your local network, observe live pro and amateur games.
http://www.sente.ch/software/goban

A great trick to do on your background image.
http://www.flickr.com/photos/w00kie/sets/180637

Landor Associates is the creative firm that designed the new British Petroleum (BP) identity. I love this logo so much.
http://www.landor.com/index.cfm?fuseaction=cPortfolio.getCase&caseid=322

Wired Magazine article explaining public key cryptography.
http://www.wired.com/wired/archive/7.04/crypto.html

Really good domain name registrar. Domains are cheap and have free premium service included (100 email addresses, full DNS settings + hosting, web/url redirection, etc). Only $9.99 per year for the dot.com: register a domain name today.
http://www.z-names.com

Comprehensive list of all the countries and acronyms corresponding to the domain names extensions (TLD). What does .com stand for? What about .biz, .cc, .fm, .tv etc.? Complete list of all the web domains extensions.
http://www.bo-ko.com/domain_names

Retro Cordless Edition
“This is a fun iPod shuffle hack I threw together. It completely eliminates cord clutter! It also doubles as ear warmers, plays music, and gives you a ton of street cred!”
http://homepage.mac.com/jimyounkin/PhotoAlbum18.html

Never throw away an old computer/hard drive with sensitive information still in it. Engadget shows us that with a little patience, you can securely and easily erase your old hard disks.
http://engadget.com/entry/1234000473036054

Urban Dictionary is a slang dictionary with your definitions.
http://www.urbandictionary.com