Armor paint is a standalone software for 3d texture painting in PBR. It is entirely GPU based, and supports windows and linux.



The best open source alternative to Adobe Substance 3D Painter is ArmorPaint. It's not free, so if you're looking for a free alternative, you could try Material Maker or Nirvana 3D. If that doesn't suit you, our users have ranked more than 10 alternatives to Adobe Substance 3D Painter and three of them is open source so hopefully you can find a suitable replacement.
Armor paint is a standalone software for 3d texture painting in PBR. It is entirely GPU based, and supports windows and linux.



Material Maker is a 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.




A game engine written in Python, extending support across multiple GPU devices with 3D rendering, PBR Renderer and much more.


Armor Paint is a True Altertative, do almost all of the work of Substance Painter, community supported, Open Source, Blender and Armor integration.