AwesomeBump is described as 'Open source program designed to generate normal, height, specular or ambient occlusion textures from a single image. Since the image processing is done in 99% on GPU the program runs very fast and all the parameters can be changed in real time' and is an app in the photos & graphics category. There are more than 10 alternatives to AwesomeBump for a variety of platforms, including Windows, Mac, Linux, Web-based and Epic Games Store apps. The best AwesomeBump alternative is Materialize - by Bounding Box Software, which is both free and Open Source. Other great apps like AwesomeBump are Laigter, Quixel Suite, xNormal and Resynthesizer.
Not a simple solution to create maps