LuaGrip is a project mainly written in C++, it's free.
C++ Layer for Lua
LuaGrip is a simple C++ Lua 5.1 wrapper. LuaGrip allow you to include Lua script in a simple and intuitive way.
LuaGrip API is based on cLua API described in "Game Developement with Lua" of Paul Schuytema and Mark Manyem.
* lua5.1
Simply incude the "luagrip.h" file in your project.
mkdir build
cd build
cmake ..
make
sudo make install