MODFLOW-GUI is a preprocessor and postprocessor graphical-user interface for preparing MODFLOW-96, MODFLOW-2000, MODFLOW-2005, MOC3D, MODPATH, and ZONEBDGT input data and viewing model output for use ...
FloPy is a Python package for creating, running, and post-processing MODFLOW-based models. FloPy includes support for MODFLOW 6, MODFLOW-2000, MODFLOW-2005, MODFLOW-NWT, MODFLOW-USG, and MODFLOW-LGR.