please accept my apology for abandoning this addon and not answering your support requests.
I don't play wow anymore and thus any request will remain unaswered.
A GCD indicator for oUF in the form of a bar. This is based on Exactly's oUF_GCD plugin, but doesn't (or, at least, shouldn't) require a reference spell. Plus, you get an extra bar, displaying the GCD, not just a spark inside the cast bar.