Siafu (latest)
The simulator, the five base simulations, and the webservice wrapper. Remember to get a java runtime too!
 

Siafu for developers

If you are looking for the individual simulations, pick them up here.

If you want to get your hands on documentation and source code, browse the files directly here. In any case don't forget to check the developers info.

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Latest code

Tutorial

Creating your own simulation