Flowtracks https://flowtracks.readthedocs.io/en/latest/
See the notebooks on nbviewer https://nbviewer.jupyter.org/github/alexlib/flowtracks_examples/tree/master/
or run using MyBinder.org:
See also Ron Shnapp work on Lagrangian plotting on BitBucket https://bitbucket.org/ronshnapp/lagrangian_plotting_library/src/master/
and a quick preview notebook