Twitter Polls - Polls embedded in tweets
Overlay - Overlay transforms Figma and Sketch designs into reusable React, Vue.js components
Simple Poll - The easiest way to create polls in Slack
LayerX - An intuitive app to display transparent images on screen.
Curious Polls - Answer a question once a day for the chance to win £100/$100
CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.