You can get the latest update of this pack for free from us.
Surforge is an editor extension that enables you to easily make high-quality 3d rendered PBR textures from scratch directly in Unity, with an extremely productive and intuitive workflow.
The exported maps are fully compatible with Unity Standard Shader, looking exactly the same as while you working on them.
It's a modeling toolset, kitbash library, map render, and material composer. All in one, everything you need to create great textures.
Unity 2022.1 supported.
Please note, Surforge can't run in URP / HDRP project. You could easily use result materials and maps in URP / HDRP project with Unity built-in material converter. Please install Surforge into separate "3d" template project in this case.