[2] The Dalton suite is capable of calculating various molecular properties using the Hartree–Fock, MP2, MCSCF and coupled cluster theories.
Version 2.0 of DALTON added support for density functional theory calculations.
There are many authors, including Trygve Helgaker, Poul Jørgensen and Kenneth Ruud.
Dalton switched to the open source GNU LGPL licence in August 2017.
This article about chemistry software is a stub.