This is the source code for muckyourapp.com and represents a very simple muck site.
If you'd like to build your own muck site we have a Rails template to make it easy:
We've built a number of applications using Muck which are also open source. They're a great way to understand how Muck can be used:
TwHistory https://github.com/tatemae/TwHistory Folksemantic https://github.com/COSL/folksemantic
The source for all the muck gems can be found in the Tatemae github account (they all start with muck :-):