Anima App - Design, get feedback, convert to code, publish, iterate.
UXArmy - UXArmy is a cloud-based Remote User Research platform offering Usability testing.
Sketch Repo - Collection of resources for anyone who uses Sketch
Easy User Test - Easy User Test is a user testing tool that offers the easiest way to test your text and design.
Auto-Layout for Sketch - Responsive design for Sketch
Fanopia - A social SaaS application that transforms sites into dynamic communities