iBooks Author - iBooks Author, free from the Mac App store, allows you to create beautiful Multi-Touch textbooks — and just about any other kind of book.
Lulu - Whether you're a teacher, photographer or hobbyist, share your expertise. Create & self publish your book today!
kotobee - Kotobee is a universal eBook creating and publishing software for the authors, novelist, writers, etc.
Issuu - Issuu is the leading digital publishing platform delivering exceptional reading experiences of magazines, catalogs, and newspapers.
SQRIBBLE - Creates AMAZING eBooks & Reports In 5 MINUTES Without Typing Any Words!
CreateSpace - Publish your words, your way