FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
FlippingBook - FlippingBook changes the way you present your documents
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
Flipsnack - Flipsnack | PDF to HTML5 flipbooks