Plant - Version control app and plugin for Sketch
Invision - Prototyping and collaboration for design teams
Abstract - A secure, version-controlled hub for your design files
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Folio for Mac - Simple version control app for designers
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.