Versatile Object-oriented Toolkit for Coarse-graining Applications (VOTCA) is a package intended to reduce the amount of routine work when doing systematic coarse-graining of various systems. The core is written in C++. Iterative methods are implemented using bash and perl scripting. You can read more about the toolkit and the implemented methods in the recently published in: http://dx.doi.org/10.1021/ct900369w
I moved 1.0.1 to main tree.