Brutal Teardowns - Get honest feedback and actionable advice for your website
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 Workspace - The overall tool for creative & design collaboration: - upload, manage & share assets
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.