NumPy is the fundamental package for scientific computing with Python
SciPy is a Python-based ecosystem of open-source software for mathematics, science, and engineering. In particular, these are some of the core packages: numpy, scipy, matplotlib, ipython, sympy, pandas.
Python binding of the CGAL C++ library. CGAL provides geometric algorithms in the form of a C++ library
P4Python, the Python interface to the Perforce API , enables you to write Python code that interacts with a Perforce server
Image processing in Python. scikit-image is a collection of algorithms for image processing.
Machine Learning in Python. scikit-learn. Simple and efficient tools for data mining and data analysis
A library for calculating 4x4 matrices for translating, rotating, reflecting, scaling, shearing, projecting, orthogonalizing, and superimposing arrays of 3D homogeneous coordinates as well as for converting between rotation matrices, Euler angles, and quaternions. Also includes an Arcball control object and functions to decompose transformation matrices