Creative Market
More than 12,000 fonts offered by Creative Market, a platform for handcrafted design. From serif and script, to hipster and tattoo fonts, you’ll find thousands of fonts designed by people from around the world.
DaFont
Archive of freely downloadable fonts. Browse by alphabetical listing, by style, by author or by popularity.
Font Squirrel
Font Squirrel is a collection of free fonts for commercial use.
Font Yukle
Another good, no-frills font resource, with many fonts available for free.
Fount
Identify web fonts on any site. Fount tells you which web font in your font-stack you are actually seeing, not just what is supposed to be seen. It’ll also tell you the font size, weight, and style.
Google Fonts
Google Fonts makes it quick and easy for everyone to use web fonts, including professional designers and developers.
My Fonts
A digital fonts distributor selling fonts.
Typekit
A subscription font service that brings thousands of fonts from foundry partners into one library for quick browsing, easy use on the web or in applications, and endless typographic inspiration.
Urbanfonts
UrbanFonts is a collection of free fonts, premium fonts and free dingbats.
1001 Fonts
No frills site for free and paid fonts.
beau coup
Font Guide For All Occasions blog post with lots of other good resources.
(PS, thanks Elliot!)