AwesomeBump – Generate all texture maps from a single image

AwesomeBump (AKA: Awesome Bump) is a free and open-source alternative of CrazyBump or the Insane Bump plugin for GIMP, developed by Krzysztof Kolasinski from Poland, using Qt library. It is used to generate high-quality normal, height, specular or ambient occlusion, metallic, roughness and other textures from a single image.