Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
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.
Zeplin - Collaboration app for UI designers & frontend developers
Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
Figma Product Planner - Easiest way to plan, visualize, & share your product planing
Frontify Style Guide - Create beautiful web-based brand manuals in minutes