I've been waiting for this functionality for a very long time and I truly hope the folks at Omni include this as a feature in an upcoming release. Until then, we can thank the fine people at UNITiD for this AppleScript.
A handy little script that will walk through a site's sitemap.xml and map it out in OmniGraffle.
A handy OS X Service that makes it easy to convert text to all caps, all lowercase, camel case, word case and sentence case.
There are some nice tips in here, even for those of us who've read and/or written dozens of similar posts.
A very useful utility to add tabs to the Finder in addition to other tweaks like listing folders above files in the file lists.
"Optimal Layout takes the hassle out of organizing your application windows and helps you get the most out of your screen space, making you more productive."