Mp11 is a C++11 metaprogramming library based on template aliases and variadic templates. It implements the approach outlined in the article "Simple C++11 metaprogramming" and its sequel.
As of 2017-08-02, Mp11 is part of Boost. It hasn't appeared in a release yet, but a snapshot of the documentation is available.
Tested on Travis and Appveyor.
Distributed under the Boost Software License, Version 1.0.