prophet & (python) & excel ?

[Larz60+]

There are some really powerful business tools for python:

• Infor about Prophet here: https://pypi.org/project/prophet/
  
• you can search for specific applications here: https://pypi.org/pypi/
  
• odoo is management software used to run a company, and can be explored here: https://www.odoo.com/
  
• Tryton is a package containing the following (Accounting, Invoicing, Sale Management, Purchase Management, Analytic Accounting, Inventory Management, Manufacturing Resource Planning (MRP), Project Management, Lead and Opportunity Management) and can be explored here: http://www.tryton.org/
  

This is just a beginning, but should give you a feel for what's available