calibre - Ebook manager, viewer & converter
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
FBReader - FBReader is an e-book reader for various platforms. Features:
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...