Take screenshots and put them on small floating windows; the application also allows you to decrease the window opacity when the mouse pointer is over it.




GluePrint is described as 'Turn any mockup into a floating guide, and visually align pixels with ease' and is an app in the development category. There are seven alternatives to GluePrint for a variety of platforms, including Mac, Windows, Linux, Web-based and Microsoft Edge apps. The best GluePrint alternative is Kasasa, which is both free and Open Source. Other great apps like GluePrint are LayerX, Afloat, PixelPerfect and Overlay2.
Take screenshots and put them on small floating windows; the application also allows you to decrease the window opacity when the mouse pointer is over it.






Allows developers to put a semi-transparent image overlay over the top of the developed HTML and perform per pixel comparison between them. Works with DevTools and Firebug.



Overlay2 is like digital tracing paper for your computer. It opens a semi-transparent floating image over video capture or editing software, or 3D modelling software, so you can use the image as a reference or positioning guide.



CThruView is a free transparent image viewer that allows mouse clicks to go through the image. This makes your image see through and click through, so use it as tracing paper, splash screen or watermark.

A frame that allows you to have an image or even PDF displayed semi-transparently in front of everything. It enables you to copy, trace, or compare designs, images, and documents with ease, since you can lock the frame and make it undisturbed by mouse gestures.


