APBS = Adaptive Poisson-Boltzmann Solver. It is used to model biomolecular solvation.
Website: http://www.poissonboltzmann.org/apbs
Installed versions: 1.2.1
Acknowledgement: Available: http://www.poissonboltzmann.org/apbs/citing-your-use
Licensing: http://www.poissonboltzmann.org/apbs/license