I'm not sure what you're referring to specifically when you say "proprietary", but most of PowerShell is available under the MIT license. https://github.com/Po

I'm not sure what you're referring to specifically when you say "proprietary", but most of PowerShell is available under the MIT license. https://github.com/PowerShell/PowerShell#legal-and-licensing https://github.com/PowerShell/PowerShell#legal-and-licensing