Codes
flair
flair is a density functional theory code using the full potential linear augmented planewave method (FLAPW). I am a co-developer of this code together with Mike Weinert, Raimund Podloucky and Josef Redinger. flair is freely available upon request.
gem
gem is a python module that provides an object oriented framework for setup and manipulation of crystal and molecular structures as well as exchange of that data between various electronic structure codes.