the xonsh shell is described as 'Xonsh is a Python-powered, cross-platform, Unix-gazing shell language and command prompt. The language is a superset of Python 3.4+ with additional shell primitives that you are used to from Bash and IPython. It works on all major systems including Linux, Mac OSX, and Windows' and is a Shell in the os & utilities category. There are more than 25 alternatives to the xonsh shell for a variety of platforms, including Linux, Mac, Windows, BSD and iPad apps. The best the xonsh shell alternative is fish, which is both free and Open Source. Other great apps like the xonsh shell are GNU Bourne Again SHell, Zsh, Nu Shell and IPython.