This lists running examples of apps that other people can clone, look at, and even deploy if they want. If you have another example, email me or do a pull request on patch to this document.
Neighborly is a (currently very minimal) Django/GeoDjango application. It has fairly complete installation instructions and a fairly complete build script.
This is a Django/GeoDjango/Pinax application to collect community feedback on a proposed extension to the Boston Greenline. You might want to look at the source or the build script.
This is a very small application (just plain WebOb without a framework) for getting commit events from bitbucket and using that to regenerate documentation or other files. It’s what builds http://cloudsilverlining.org and the zip files.
The Pylons site runs on Siler Lining, including Trac instances. Ben Bangert described what he did. I don’t believe the actual code is in a public repository right now.