A collective list of free APIs

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

Investment Research for Everyone, Everywhere.

Turn (almost) any Python command line program into a full GUI application with one line

Practical Python Programming (course by @dabeaz)

Voilà turns Jupyter notebooks into standalone web applications

💉 Stuff which works in Chrome and maybe Acrobat and Foxit.

Create and modify Tableau workbook and datasource files