VSTS widget for GitHub badges
When I first heard about the SDK for widgets in Visual Studio Team Services (VSTS) I wanted to make a couple of widgets, one of these was a GitHub widget that would show some info from any GitHub repo on your VSTS dashboard. This can can be helpful when you have your source open on GitHub but still work out of VSTS.
A 'Hello World' for VSTS Extensions
So if you haven't heard yet VSO Extensions are now in a private preview where you can sign up to get into the preview on extensions integration site. These extensions in the shortest sentence a supported way of doing customizations to VSO that will replace any of the "hacky" extensions that you may be playing around with at the moment like Tiago Pascal's Task Board Enhancer or maybe you have even created your own following similar steps to what I show in my TFS 2013 Customization book.