Jupyter

 Project Jupyter  or simply  Jupyter  is a non-profit, open-source project evolved out of the IPython project to include Julia, R, etc. to support interactive data science and scientific computing across all programming languages.

IndieWeb Examples

 * is integrating some Jupyter workflow into his Canopy project (see: events/2020-07-29-hwc-west-coast
 * http://kitmarks.com/machine_learning_projects.html

Tools
fastpages is a blogging platform with extra features for Jupyter Notebooks.