Also, having alternatives is always interesting. I was also interested in making the core of OS X† have some form of FOSS liveliness, but I've been quite disheartened about OS X and openness (however limited) since this[0] happened.
[0]: https://github.com/lloeki/xbox_one_controller/issues/2
† I do believe that FOSS is very important, but I also recognise the critical effect of closed source innovations, and believe that a delicate balance and synergy between both aspects can produce fantastic results.