Gain Capital Group, LLC
It provides a framework and the (IDE) for the development custom indicators.
It is a fast and easy to use end of day desktop charting package.
A pure Python COM package based on the ctypes ffi foreign function library.
NumPy is the library to have if you want advanced calculations in Python.
It contains the infamous wxPython demo, other samples, and wxWidgets docs.
It is a great utility that allows you to create an executable Pythons script.
MetaQuotes Software Corp.
It is a trading platform that provides a comprehensive charting package.
Francesc Alted and Valentin Hänel
python-blosc program is a Python package that wraps Blosc.
Python package for language processing that requires Python 2.7, 3.4, or 3.5.
Stephen Computer Services, Inc.
It is a software package simplifying the SPC tasks data collection and charting.
ActiveState Software Inc.
Python package for data science, web application development, etc.
pydicom is a pure python package for working with DICOM files.
Gnuplot.py is a Python package that interfaces to gnuplot.
PsychoPy is an open-source package for creating psychology stimuli in Python.
Python Software Foundation
Matplotlib is a Python plotting package for publication quality 2D graphics.
A CAD package written in Python using the PyQt interface.