Betype - Typography & Lettering Inspiration
130 best free fonts for designers - Creative bloq
The Ultimate Guide to Font Pairing http://blog.canva.com/the-ultimate-guide-to-font-pairing/
40 Free Modern Fonts : I don't usually go for "modern," but I really like several of these.
Fiddle and Spoon | ten very cool (and very free) sans serif typefaces | http://fiddleandspoon.com