Elk Links
Resources
• XCrySDen - a crystalline and molecular structure visualisation program
• V_Sim - another crystalline and molecular structure visualisation program
• DRAWxtl - a crystalline structure visualisation program which can read Elk files
• Bilbao Crystallographic Server - a web site with crystallographic programs and databases
• Andrew Chizmeshya site - sample input and output files for a number of molecular and condensed phase systems
• G95 - a free, open source Fortran 90/95 compiler
• GNU Fortran - another free, open source Fortran 90/95 compiler
• GotoBLAS - an optimised implementation of the BLAS library available for a range of architectures
• ATLAS - Automatically Tuned Linear Algebra Software: an optimised implementation of BLAS and a subset of LAPACK
• FFTW - a highly efficient fast Fourier transform (FFT) library compatible with Elk
• Grace - a WYSIWYG 2D plotting tool for the X Window System
• OpenDX - a powerful, full-featured software package for the visualization of scientific data
• ProTeX - a perl script to produce a LaTeX compatible document from Fortran source code
• Planewaves, Pseudopotentials, and the LAPW Method - a very useful book by David Singh and Lars Nordström
• NEdit - a multi-purpose text editor with syntax highlighting available for Elk input and output
• JEdit - an excellent Java-based text editor which has been used for almost all Elk development
• VESTA - a 3D visualisation program for structural models and data which can read Elk files
• ASE - The Atomic Simulation Environment
• CODATA - internationally recommended values of the fundamental physical constants and energy equivalents
• Intel MKL link line advisor - useful for finding the library dependencies of the Intel compiler
• Testing ABINIT PAW datasets with Elk - a tutorial written by Martin Stankovski

Other DFT codes
• Special versions of Elk/EXCITING
• ABINIT - a highly sophisticated open source pseudopotential plane wave code
• PWSCF - another open source pseudopotential plane wave code
• Octopus - a pseudopotential code specialising in time-dependent DFT
• Wien2k - a powerful FP-LAPW code with a large user community
• FLEUR code - another FP-LAPW code with emphasis on magnetism and surface calculations

Groups
• Max Planck Institute of Microstructure Physics, Theory Department
• Condensed Matter Theory Group, Uppsala
• Institut für Physik, Karl-Franzens-Universität Graz
• Atomistic Modelling and Design of Materials, University of Leoben