CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
LayerX - An intuitive app to display transparent images on screen.
Smartmockups - Create stunning product mockups, easily and online.
PixelPerfect - Allows developers to put a semi-transparent image overlay over the top of the developed HTML and...
MockMagic - A free, easy-to-use device mockup generator