Invision - Prototyping and collaboration for design teams
Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Premast - Create presentations like never before
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Storydoc - Easily generate interactive decks and presentations that increase lead engagement and conversion