GEGL makes a real cartoon effect. Dabs on the default cartoon filter. Huge Credit to GimpChat user cli345 who discovered most of the GEGL Graph. I just made it into a GEGL filter with slight modifications such as internal blend mode switching and a few other things.
Why do you think that https://github.com/LinuxBeaver/Gimp_Layer_Effects_Text_Styler_Plugin_GEGL_Effects is a good alternative to GEGL-Photo-to-Cartoon-