Fortunately, Facebook's C++ utility library, folly, has been Apache 2.0 since at least 2012 and never had the BSD+patent license put upon it. https://github.co

Fortunately, Facebook's C++ utility library, folly, has been Apache 2.0 since at least 2012 and never had the BSD+patent license put upon it. https://github.com/facebook/folly/blob/master/LICENSE https://github.com/facebook/folly/blob/master/LICENSE