Actually, if you look at it closer and try it you will see that Wakari includes IPython Notebook - in the right pane you can chose one of three different python

Actually, if you look at it closer and try it you will see that Wakari includes IPython Notebook - in the right pane you can chose one of three different python interpreters: python (pure), ipython or ipython notebook. The ipython notebook is running remotely - in the cloud, not on your local machin. You have access to your explorative analytical workspace from anywhere and it's state is persistent.