Software blog MakeUseOf actually shares two different methods within the GIMP to "cartoonify" your portraits—one involves a built-in cartoonifying tool, and the other involves manually tweaking other ...
The free and open source photo-editing program called GIMP (GNU Image Manipulation Program) is a nice alternative to the subscription-based or boxed versions of its competition (including PhotoShop).
As good an image editor GIMP is—out of the box, it can fall short of Photoshop at times. That said, you can use plugins to extend GIMP's functionality, and these make it even more powerful than ...