There are several DSC Resources that come-the-box with a PowerShell install. These DSC Resources are enough to get you started and cover most basic system and software configuration tasks; however, you are not expected to survive on these alone. Remember, we want to be as specific and custom as possible with a DSC Resource, or it is of little use for us. At some point, you will want to find more DSC Resources than those that come installed by default, but where do you go to get them?

Ruby has rubygems.org, Perl has CPAN, Node has npm, but what does DSC have? Since DSC is still "new," there are many places to find official and community provided DSC Resources, but there isn't one place that everyone has agreed on to use. This is to be expected with a new software product; things are new and in flux and both the community and Microsoft haven't sorted out the best approaches for distribution yet. Things like this happen over time as various approaches are tried...