LIA group is developing a new faster and improved version of the open-source multicellular simulator Gro. You can find our version in Github.
Preprint available on Biorxiv: A new improved and extended version of the multicell bacterial simulator gro
This development is part of the PhD thesis of Elena Núñez Barrueco, which is publicly available here: Computational tools to study emergent behaviours in bacterial populations and their hosts