IIRC, Apple even went so far as to revoke iBeacon usage from companies that tried to make an Android library (Radius Networks, the creators of this spec, being one of them).
I think these guys had a bunch of ibeacon utilities for ios and osx, as well as detailed docs on the protocol online, but they were recently pulled, at least from homebrew. Did Apple intervene?
IIRC, Apple even went so far as to revoke iBeacon usage from companies that tried to make an Android library (Radius Networks, the creators of this spec, being one of them).