Photomosh - Turn anything into a vaporwave
Meazure - What are the dimensions of that image? How big is this window?
HearSeeParty - Combine Gifs with with music using tags
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Decim8 - Turn photographs into glitch art
ScreenRuler - ScreenRuler lets you measure objects on your Ubuntu desktop using six different metrics.