I've actually released my art program on itch. :)
Waves is an art/wallpaper making program that uses raymarching to make cool, undulating, rippling shapes.
It's written in C++ and you can download it for Windows or Linux. I mostly use it to make desktop/lock screen wallpapers.
You can download it on my itch.io here. It's one dollar.
A short YouTube demonstration is below.
Some images from the program.




