Re:PowerShell is open sourced and is available on Linux
by adamkruszewski on Thursday August 18, 2016 @02:38PM
(#12315199)
Or even more! It will need to be backported to Trusty Tahr if one wants to apt-get it on Windows (subsystem for Linux) ;-)
It was released just now, under MIT license. Give it a little time and it'll show up.