CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.
Figma Plugins - Extend Figma with plugins. Easy to create. 1-click install.
LayerX - An intuitive app to display transparent images on screen.
Design Lint - A design linting plugin for Figma.
Overlay - Overlay transforms Figma and Sketch designs into reusable React, Vue.js components
Figma Super Tidy - Figma plugin to easily align, rename and reorder your frames