Curious about the comparison; does anyone have any advice or experience with using both?
edit: One thing I do prefer is not only the availability to generate normal maps, but to also generate heightmaps as well.
Definitely go for B2M3. Tons of features to play with to create PBR materials. Knald is not recommended in anyway.
Go for Bitmap2Material. I tried the demo of Knald and is nothing compared to B2M.
Awesome Bump 3.0 - GitHub - kmkolasinski/AwesomeBump: AwesomeBump is a free program written using Qt library designed to with PBR
Looks good. Will give it a try.