but its not really photoshop either because its targeting vector based graphics, whereas Photoshop is mainly raster-based.
I'm not up on Adobe (I use InkScape which is sort of the default open-source / free alternative) but I guess Adobe Illustrator is the closest analogue here.
Procedural node-based raster editing can become insane. Do things vectors cannot, but with infinite resolution. There are already fractal examples on the website which would murder any vector renderer.
I'm not up on Adobe (I use InkScape which is sort of the default open-source / free alternative) but I guess Adobe Illustrator is the closest analogue here.