PASH
An Open Source reimplementation of Windows PowerShell, for Mono. - Pash-Project/Pash
4 Alternatives To PASH
PowerGui
A graphical user interface and script editor for Microsoft Windows https://alternativeto.
PowerShell Plus
Learn how to learn and master PowerShell fast with an interactive learning center, a powerful IDE, pre-loaded scripts, and a PowerShell Editor… all for free.
PowerShell Studio
PowerShell Studio is the easiest GUI designer and script generator available.
win-bash
win-bash is a Windows port of the famous GNU bash (see GNU Bash homepage).