In addition to maintaining Font Sugar, I run Larabie Fonts and Typodermic, a commercial font foundry. Visit Typodermic often, because I frequently add new fonts.
Larabie FontsFont Sugar features a few font selections from Larabie Fonts. If you visit Larabie Fonts, you can browse the entire collection.
MyFonts.comThousands of fonts, including many free ones. Search for the type of font you want in various categories, test-drive any of the fonts you find, even commercial fonts, and offer opinions. Definitely worth bookmarking.
1001 Free FontsIn my opinion, this is one of the best freeware fonts sites around. It’s hard to beat.
What The Font?Having trouble identifying a font? Upload a sample to What The Font and a magical computer filled with little pixies will shift levers and turn cranks. All this will awaken fairies who will present you with the answer you seek.
WTF Guru ForumIf What The Font doesn’t identify your font, try WTF Guru Forum.
FontloverA perfect place to keep track of the latest font releases, both commercial and freeware.
Iconian FontsA whole lot of juicy fonts created Dan Zadorozny.
House of LimeLoads of wonderful linkware fonts.