Oh, yeah, proprietary. I meant open source competitors. My bad.

elektromekatron · on July 8, 2015

https://en.wikipedia.org/wiki/Darwin_%28operating_system%29

wooger · on July 9, 2015

Yes, this is an un-useable chunk of open source that is not widely used, not compatible with normal hardware, and does not even build.

To quote another user: "The version of WebKit used on iOS is actually not open source and forkable; even WebCore, which is LGPL, Apple works around: rather than releasing code changes for iOS-specific features, they release the binary .o files users can link in."

elektromekatron · on July 9, 2015

These folk are getting it there - http://www.puredarwin.org/