Apple is contributing heavily to LLVM and making the code open source. One easily visible example is Clang, a c/c++/obj-c compiler for LLVM, which is open-sourc

Apple is contributing heavily to LLVM and making the code open source. One easily visible example is Clang, a c/c++/obj-c compiler for LLVM, which is open-source and pretty much created and maintained by Apple: http://llvm.org/devmtg/2007-05/09-Naroff-CFE.pdf http://llvm.org/devmtg/2007-05/09-Naroff-CFE.pdf