This document provides resources for high-fidelity prototyping including graphical UI prototypes, HTML/CSS mockups, and clickthrough prototypes. It lists inspiration websites, design patterns and guidelines, UI frameworks, prototyping software such as Adobe XD, Sketch, Axure, and Figma. Recommendations are made for collaborative design using Figma, prototyping using proto.io, and single designer work using Adobe XD. Additional resources are provided for color schemes, icons, placeholders, photos, and licensing.