It's not a donation but a licence fee. For enterprises this is effectively compulsory, not opt in. I meant it would be convenient if there was some platform to maintain the licence contract chain so that a dual licenced project could use a third party dual licensed library, and the license fees would be forwarded to all license owning parties in a transparent manner.

Just an idea, not sure if it would work non-parhologically in the end (i.e. some mega troll buying the licensing rights for a set of critical open source libraries, for example ).