For an automatic solution with some nice artist-friendly tweaks exposed as slides, you might want to check out Bitmap2Material, an Allegorithmic application.
first: here's a video of me unwrapping a box on 6 seconds. the remaining 6 seconds is trying to remove all the stupid crap the max programmers put in to drain my soul and spirit. http://www.dejawolf.com/12secUV.avi this is fine, albeit marginally annoying useless and a pain in the ass "feature" of max8+ i used to have…
Maybe ask the Substance question in the Substance section of these forums? Seems to me you can get more answers there :) https://polycount.com/categories/allegorithmics-substance
A place is already added in Polycount where we can share Substance tools based art and or tools here http://polycount.com/categories/allegorithmics-substance
Seconding this. I watched a bunch of videos of Substance Designer from Allegorithmic because I was curious about the power of the software before trying it. Totally worth it.