[Ninja IDE] (http://ninja-ide.org)
Cross-platform integrated development environment (IDE). Expandable with plugins. Profiler, Debugger, Highlighting, Variable-Browsing.
[PyCharm] (http://www.jetbrains.com/pycharm/)
Python IDE with complete set of tools for productive development with Python programming language. In addition, the IDE provides high-class capabilities for professional Web development with Django framework.
[PyDev] (http://pydev.org/)
PyDev is a Python IDE for Eclipse, which may be used in Python, Jython and IronPython development.
http://wiki.python.org/moin/ParallelProcessing
Python-related libraries for the programming of solutions either employing multiple CPUs or multicore CPUs in a symmetric multiprocessing or shared memory environment, or potentially huge numbers of computers in a cluster or grid environment.