MSDN, TechNet => docs.microsoft.com

MSDN/TechNet Being Open Sourced as docs.microsoft.com
After 15 years of running on essentially the same codebase, Microsoft has finally decided to retire MSDN and TechNet. The replacement will be an open source project known as docs.microsoft.com.

...every page will have an Edit button through which readers can edit the markdown and directly submit a pull request. In fact, you can even download the actual git repository that stores the documentation.
Introducing docs.microsoft.com

Enterprise Mobility Documentation @ docs.microsoft.com
Enterprise Mobility Suite Overview | Microsoft
Enterprise Mobility Pricing—Mobile Device Management Software | Microsoft