Darling - The Darling Project
▻http://darling.dolezel.info/en/Darling;jsessionid=qd8spf1e9ko01txvzxq18ymvi
Darling is an open source Darwin / OS X #emulation layer for #linux. The aim is to achieve binary compatible support for Darwin / OS X applications on Linux, plus provide useful tools that will aid especially in application installation.