Awesome
Posh-Gist
Share your PowerShell scripts easily with GitHub Gists and Send-Gist.
After doing an Import-Module PoshGist
Ctrl+Shift+S is wired up in PowerShell ISE. Load up a script or write one from scratch, press the shortcut keys and you've created a gist.
NOTE. If a selection is made, only the selection will be used for the new gist.
You need a GitHub account to post a gist, this does not support anonymous posts.
ToDo
Add Updating an existing gistAdd Deleting an existing gistExpand capabilities to send files on diskLoad an existing gist into ISE