pgapack, the parallel geneticalgorithm library is a powerfull geneticalgorithm library by D. Levine, Mathematics and Computer Science Division Argonne National Laboratory. The library is written in C. PGAPy wraps this library for use with Python.
python-stablesort is a back-port of the new Python 2.3 stable listsort algorithm to all Python versions (from 1.5.2 to 2.2.3). See the Project Home Page for more info.