QCS is a quantum computer simulation written by Philipp Jungmann, Torsten Mandel and Maximilian Plenert as a software project under Dr. Michael Winckler (IWR) and Dr. Jian-Wei Pan (PI), University of Heidelberg.
FFDev is a suite of utilities for the creation (and deployment) of custom force fields (interaction potentials) for atomistic simulation, derived wholly or in part from ab initio quantum chemistry calculations.