Material Maker is described as 'Free and open-source, procedural texture authoring tool based on Godot Engine. Its user interface is based on Godot's GraphEditor: textures are described as interconnected texture generators and operators' and is an app in the photos & graphics category. There are more than 10 alternatives to Material Maker for a variety of platforms, including Windows, Mac, Linux, iPhone and Java Mobile apps. The best Material Maker alternative is InstaMAT. It's not free, so if you're looking for a free alternative, you could try InstaMAT or Patternshop. Other great apps like Material Maker are Adobe Substance Designer, NeoTextureEdit, Texture Studio and FxGen.