Seems to recognise a fair amount of software, more than say PatchMyPC, though not perhaps as much as SUMo (R.I.P) did.
Warning the default settings auto update recognised software.
In my case it updated a current version of Firefox ESR to the normal Firefox which was unwanted.
If you’ve collected previous software through SharewareOnSale the license is probably locked to the version of software when it was given away, and will potentially be updated to a version that is no longer licensed.