Not a whole lot, at any rate. The poster child was probably BerkleyDB, but the current version is vended from a fork which still uses the pre-AGPL license terms
> Not a whole lot, at any rate. The poster child was probably BerkleyDB, but the current version is vended from a fork which still uses the pre-AGPL license terms
It is "dual licensed". AGPL and proprietary license according to Wikipedia