TenneySoftware Libraries contain a set of useful functions and extensions used by myself that I have chosen to make available to the public. Part of the project will include N-Body simulation using a variety of integrator methods.
MBDyn (1.2.6) as C/C++ project in the Eclipse/CDT-IDE ported from its original autotools-build-system for adding the comfort of a modern C/C++ developement environment to the programming phase. For ++info on MBDyn see <http://www.aero.polimi.it/~mbdyn/>