I have used Omni Pro, but never even used/seen/heard of Blackwood Pro.
Before I got hand on Omni I heard a lot of good stuff, it should be this and that, but I never found it more than 'ok'.
I did not use it for a long time. I think it is somewhat old fashioned, and it for sure cannot match the TT products.
You will find more info if you search for Nexa Technologies.