omega-h (spack): Omega_h is a C++11 library providing data structures and algorithms for adaptive discretizations. Its specialty is anisotropic triangle and tetrahedral mesh adaptation. It runs efficiently on most modern HPC hardware including GPUs. 
Keywords: cmake|cpp|cpp14|cuda|geometry|gpu|hpc|mesh|mesh-generation|meshing|mpi|openmp|parallel|parallel-computing|parallelism|sandia-national-laboratories|snl-science-libs|triangulation