Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.
GraphPad Prism - Overview. GraphPad Prism, available for both Windows and Mac computers, combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization.
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
SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.