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.

Zinio - Zinio transforms your favorite print magazines into digital format. Same content. Same design.

Mobipocket eBook Creator - Mobipocket eBook Creator is one of the easiest way to create a professional level of eBooks by simply providing some HTML and image files to your publication.

Readly - All-you-can-read magazines on all your devices

Atavist - Atavist provides a suite of publishing tools to tell stories and build websites.

Texture - The "Netflix of Magazines" app