The MayaVi Data Visualizer
Home page for MayaVi, a free, cross platform, easy to use scientific data visualizer. It provides a GUI to ease the visualization process, is written in Python and uses the Visualization Toolkit (VTK) for the graphics.
https://mayavi.sourceforge.net/
Biopython - Biopython
Computers, Programming, Languages, Python - The Biopython Project. Freely available Python tools for computational molecular biology.
https://biopython.org/