A very interesting blog on python there: http://zulko.github.io/blog/2014/09/20/vector-animations-with-python/
A package to plot interactively: http://bokeh.pydata.org/en/latest/index.html
And don't forget the impressive Mayavi package: http://mayavi.sourceforge.net/
The Seaborn library is useful to make some nice plots: http://stanford.edu/~mwaskom/software/seaborn/
A kind of summary of some of these different solutions is made there: http://pbpython.com/visualization-tools-1.html