* Hartree–Fock method (closed-shell and restricted open-shell)
* Multi-configurational self-consistent field (MCSCF) (quadratic convergence and state averaging)
* Multi-reference CISD for an arbitrary set of reference configurations (including a massively parallel version)
* Configuration interaction calculations are based on Graphical Unitary Group Approach (GUGA).
* Analytic gradients for MCSCF, MR-CISD, MR-ACPF and MR-AQCC
* Analytic MCSCF and MR-CISD nonadiabatic coupling vectors
* Support for electrostatic embedding QM/MM calculations
* Automatic geometry optimization, saddle-point searches
* Automatic searches for the minima on conical intersection seams.
* Spin/orbit configuration interaction