The wonderful PowerShell folks announced a great new PowerShell feature called gallery that is coming in 5.0
Introducing the PowerShell Gallery – PowerShellGet is an exciting new feature releasing in WMF 5.0 Preview. With it, you can easily discover, install, update, and publish PowerShell modules to and from online repositories – simplifying the process of sharing PowerShell content.
Find out all the details over here:
http://blogs.msdn.com/b/powershell/archive/2014/11/19/powershell-gallery-live.aspx