Starfish software has been written by Ali Reza Khaz'ali.
License and Citation
Starfish is free to use and is offered under LGPL3.
If you do use Starfish in an academic work, the developers ask that you cite the following paper, which outlines the design principles and general uses of Stafish:
Khaz’ali, A. R., & Moghadasi, J.: "Capillary-dominated two-phase flow modeling in porous media using Starfish", Journal of Petroleum Exploration and Production Technology (2019) 9: 1211-1223. doi:10.1007/s13202-018-0529-1
A link to this article can be found here.