Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.
SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.
Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.
OriginLab - OriginLab is a data analysis tool that provide the engineers and scientist with the technical charts and system for 2D and 3D plotting and all kind of fitting including curve and peak fitting.
NumPy - NumPy is the fundamental package for scientific computing with Python
LabPlot - LabPlot is a KDE-application for interactive graphing and analysis of scientific data.