What are some alternatives?
When comparing HearSeeParty and CharMap, you can also consider the following products
Photomosh - Turn anything into a vaporwave
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Glitchatron - Destroy your favorite photos
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
MVGEN - Make your own music videos with audio, gifs, and special effects
Hyperspektiv - Psychedelic glitch fx