JupyterLab: the next generation of the Jupyter Notebook
also Pharo smalltalk is a wonderfull context for live immersive coding.
Try to see this video with Roassal 2 <a href="https://www.youtube.com/watch?v=iXUZiFtnxK8" rel="nofollow">https://www.youtube.com/watch?v=iXUZiFtnxK8</a>