Humor - Anything and everything to make you laugh. These sites will help to ensure that your productivity at work remains well below average.

WebDev - Everything you need to know to make amazing web sites like this one. Includes info on PHP, CSS, MySQL, HTML, JavaScript, Ajax, Design, Advertising, and more.

Blogs - Funny blogs, running blogs, local blogs, personal blogs. Pretty much all types of blogs (except lame blogs.)

Running - A collection of great running sites that help with training, nutrition, and motivation to make you a better runner. Also includes a collection of road races.

Reference - Everything you need to write that term paper. Includes subcategories for Genealogy, Literature, Maps, and News.

Music - Sites that deliver online music, music videos, and video news. Also contains a subcategory of great musical artists.

Misc. - Everything that wouldn't fit into the categories above.