Similar to ABINIT

CP2K

Quantum ESPRESSO

Vienna Ab initio Simulation Package

Avogadro (software)

AMPAC

Amsterdam Density Functional

CHELPG

CRYSTAL (software)

Dirac (software)

Firefly (computer program)

Gabedit

GAMESS

GAMESS (UK)

GAMESS (US)

Gaussian (software)

MOLCAS

Open Babel

ORCA (quantum chemistry program)

PSI (computational chemistry)

Scigress

Spartan (chemistry software)

TURBOMOLE

Winmostar