Invision - Prototyping and collaboration for design teams
Bynder - Bynder is a cloud-based digital asset management solution for marketing professionals looking to simplify how they manage digital content via one central portal.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Frontify Style Guide - Create beautiful web-based brand manuals in minutes