PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
LayerX - An intuitive app to display transparent images on screen.
Pennywise - Cross-platform application to open any website or media in a floating window
PixelPerfect - Allows developers to put a semi-transparent image overlay over the top of the developed HTML and...
Afloat - Create beautiful invoices in 3 clicks, without mistakes
Osiva - Osiva" is an acronym that stands for "Overly Simple Image Viewing