The official website of Draw Something is OMGPOP.com, on their website, you can play their original game, Draw My Thing. The other websites where you would be able to play Draw Something Online would be Facebook.com.
There are many Draw Something Fan sites, they're build by people who really like playing the game, and sharing their pictures online. There's the unofficial fan site www.draw-something.com, they claim to be the number one draw something fan site on the internet. There are also other creative spin offs of Draw Something, one of them is http://draw.to/, this website is inspired by Draw Something and it lets you scribble on a virtual canvas, then you can share it instantly via email, instant messaging, Twitter and Facebook.
The other websites that are dedicated to Draw Something are as follows:
bestofdrawsomething.com/
draw-something.tumblr.com/
www.drawsomethinggallery.net/
