Check out the UWP Community Toolkit

Check out the UWP Community toolkit on github. This toolkit will increase the productivity of all UWP developers.

It has tools divied up into 5 different categories(Controls, Notifications, Animations, Services, and Helpers), This toolkit has all sorts of goodies to help speed up your UWP project.

As .NET developers transition their skills to UWP this toolkit will jump start your projects with eliminate a lot of your initial programming.