Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Observable - Interactive code examples/posts
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
nbviewer.org - Rackspace server host Jupyter Notebooks from your github repo
Rust - A safe, concurrent, practical language
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.