libcxxrt C++ Runtime Available Under BSD License
"The FreeBSD Foundation and the NetBSD Foundation announced that they have acquired a non-exclusive copyright license to the libcxxrt C++ runtime software from PathScale. This software is an implementation of the C++ Application Binary Interface originally developed for Itanium and now used for the x86 family by BSD operating systems. Libcxxrt will be available under the 2-clause BSD license."