This PowerShell module, Import-Module SharePowerShell, lets you quickly post the current file you are editing in ISE to a GitHub Gist.
It also lets you retrieve a gist as well. Creating a new file on the fly in the ISE editor, and adding the file contents of the gist.
This same module, Import-Module SharePowerShell, lets you post a file to a GitHub Gist.
Send-FileToGist c:\test.ps1 -Showiex (new-object System.Net.WebClient).DownloadString('https://raw.github.com/dfinke/SharePowerShell/master/install.ps1')
