FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Kdan Mobile Animation Desk - Achieve your dream of creating your own animation.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
Flamingo Animator - Flamingo Animator is the perfect app for anyone who wants to create their own animated cartoons.
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
PixelArtPaint pro - PixelArtPaint pro is a great pixel editor app that allows you to create and edit pixel art on your mobiles.