Open Peeps - A hand-drawn illustration library.
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
Control Illustrations - 108 free flat illustrations with customizable characters
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
DrawKit - MIT licensed SVG illustrations, in 2 styles
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...