calibre - Ebook manager, viewer & converter
Lulu - Whether you're a teacher, photographer or hobbyist, share your expertise. Create & self publish your book today!
FBReader - FBReader is an e-book reader for various platforms. Features:
Issuu - Issuu is the leading digital publishing platform delivering exceptional reading experiences of magazines, catalogs, and newspapers.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
CreateSpace - Publish your words, your way