Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
Overlay - Overlay transforms Figma and Sketch designs into reusable React, Vue.js components
LayerX - An intuitive app to display transparent images on screen.
Quickr Design System - 2000+ Figma components library to design web app & SaaS
CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.
Styleguide - A tool to make creating and maintaining styleguides easy