What are some alternatives?
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Joomag - Joomag is the all-in-one platform empowering businesses large and small to create, distribute, track, and monetize their interactive content.
Calameo - Publishing platform for digital magazines, interactive publications and online catalogs. Convert documents to beautiful publications and share them worldwide
Yumpu - Yumpu - Publishing digital magazines worldwide
FlowPaper - FlowPaper (formerly FlexPaper) is the next generation PDF viewer for the web.
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.