DFT Software I have been using ultimately
Quantum ESPRESSO
Some notes on Quantum ESPRESSO
Elk
GW and Bethe-Salpeter Software
Yambo
BerkeleyGW
Various (other) DFT Software
ABINIT
WIEN2k
SIESTA
AIMPRO
AIMPRO
OCTOPUS
OPIUM
GAMESS
FHI98PP
Pseudopotentials
Libxc
APE
Theos Server
Cornell
Crystal
Pseudo-potential library (Andrea dal Corso)
Pseudo-Dojo
Standard Solid State Pseudopotentials
Band unfolding
BandUP
Atom manipulation and visualization
Atomsk
XCrysDen