three_body_ode_test, a C code which calls three_body_ode(), which simulates the solution of the planar three body problem.
The computer code and data files described and made available on this web page are distributed under the MIT license
three_body_ode, a C code which simulates the behavior of three planets, constrained to lie in a plane, and moving under the influence of gravity, by Walter Gander and Jiri Hrebicek.