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.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
kotobee - Kotobee is a universal eBook creating and publishing software for the authors, novelist, writers, etc.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
SQRIBBLE - Creates AMAZING eBooks & Reports In 5 MINUTES Without Typing Any Words!
Scribus - Scribus is a desktop publishing (DTP) application.