Jupyter Notebook is an open-source web application used for creating and sharing documents which have the live code, equations, visualizations and explanatory text. It includes data cleaning and transformation, numerical simulation, statistical modeling, machine learning, etc. The Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and explanatory text. JupyterHub, a multi-user Hub, spawns, manages, and proxies multiple instances of the single-user Jupyter notebook server.