Stepping Stone Simulations
A package that I use to simulate the evolution of a spatially distributed population consisting of a line of connected demes. In each deme, we assume that there are N individuals with different growth rates, mutation rates, etc. See the documentation ipython notebook for examples of how to use the code.
Examples
Random initial fitnesses
Muller's "Mutational Meltdown"
A single deme (well-mixed population) with different fitnesses
License
Feel free to use and play with my code (unless you are using it for profit; contact me in this case).
This code is currently unpublished, so if you decide to publish academic work using it, contact me; I will have to be a co-author. I will publish a paper using this code soon; once it is published, you can use this code however you want as long as you cite the paper the code first appeared in.