Xonsh is a Python-powered, cross-platform, Unix-gazing shell language and command prompt.

Xonsh is meant for the daily use of experts and novices alike.

Xonsh is significantly different from most other shells or shell tools.

Prompt-toolkit: advanced readline library, line-editing.

Xonsh integrates with Jupyter, an in-browser REPL, enabling the use of xonsh in jupyter notebooks.