Berkeley Analog Generator (BAG) version 2.0 and later.
BAG 2.0 is a complete rewrite of BAG 1.x (which is in pre-alpha stage and never released publicly).
(Very outdated) Documentation and install instructions can be found at http://bag-framework.readthedocs.io/en/latest/
A tutorial setup is available at https://github.com/ucb-art/BAG2_cds_ff_mpt.git/