OVERVIEW
BerkeleyGW
BerkeleyGW is a many-body perturbation theory code for excited states, using the GW method and the GW plus Bethe-Salpeter equation (GW-BSE) method to solve respectively for quasiparticle excitations and optical properties of materials.
BerkeleyGW offcial site: https://gitlab.com/mbarbry/berkeley-gw