There's also a quite well known sprite/pixel art editing/drawing application, named Aseprite, which has a similar model - the author sells it as a paid app in i

There's also a quite well known sprite/pixel art editing/drawing application, named Aseprite, which has a similar model - the author sells it as a paid app in its compiled form, though he also makes the full source available on GitHub. I have huge respect for him for that, and that it seems to work for him! https://www.aseprite.org/ https://www.aseprite.org/