reinforce-squared is available for free (as in beer) on Github:
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Reinforce-Squared is a machine learning environment with a display window, a graph, and a console used to enter commands that alter your model or the environment. The project is based on a video tutorial by Sentdex, and that video goes great with reinforce-squared, as you can learn what some of the configurations do, and make pretty smart blue dots.
This project is only a few days old as of this writing, so please post here or create an issue (on github) if something doesn't work right.