Cost / License
- Free
- Open Source
Platforms
- Mac
LayerX is the most popular Mac alternative to Kasasa.
LayerX is the most popular Open Source & free alternative to Kasasa.
- LayerX is Free and Open Source
Kasasa is described as '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' and is a Image Viewer in the photos & graphics category. There are six alternatives to Kasasa for a variety of platforms, including Mac, Windows, Linux, Web-based and Microsoft Edge apps. The best Kasasa alternative is LayerX, which is both free and Open Source. Other great apps like Kasasa are PixelPerfect, Overlay2, CThruView Transparent Image Viewer and Overlay.
LayerX is the most popular Mac alternative to Kasasa.
LayerX is the most popular Open Source & free alternative to Kasasa.
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.



PixelPerfect is the most popular Windows & Linux alternative to Kasasa.
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.



Overlay2 is the most popular commercial alternative to Kasasa.
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.

CThruView Transparent Image Viewer is the most popular Web-based alternative to Kasasa.
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.



Turn any mockup into a floating guide, and visually align pixels with ease.
Use GluePrint to implement your interfaces pixel perfect. Simply open a mockup and lock it on top of your work to see how it compares. Position with the arrow keys and scroll to adjust the transparency. .


