Janetsh is described as 'A new system shell that uses the Janet Language for high level scripting while also supporting the things we love about sh. Minimal knowledge of janet is required for basic shell usage, but as you become more familiar with janet, your shell' and is a Shell. There are more than 25 alternatives to Janetsh for a variety of platforms, including Linux, Mac, Windows, BSD and Cygwin apps. The best Janetsh alternative is fish, which is both free and Open Source. Other great apps like Janetsh are GNU Bourne Again SHell, Zsh, Nu Shell and IPython.