Codes which interact with Elk

 PyProcar - a robust, open-source Python library used for pre- and post-processing of the electronic structure data
Elk Optics Analyzer - a tool to plot and analyze optics output generated by Elk
DGrid - a program for the generation and analysis of properties on equidistant grids
ASE - The Atomic Simulation Environment
Libxc - an extensive library of LDA and GGA exchange-correlation functionals
NOMAD - established to host, organize, and share materials data
Phonopy - an open source package for phonon calculations at harmonic and quasi-harmonic levels

 

 

https://elk.sourceforge.io/