This might give you a start:
http://www.wowwiki.com/Using_the_Int...s_Addons_panel
I know, I know. It's on WoWWiki, and "WoWWiki's dead". There's probably something similar on WoWpedia, but I had this link in my favorites, so....
Oh, and the link they give to a blue post on the WoW forums doesn't work. It'll get you to the new forums, not the old forums where the post most likely was originally, but not right to the post (which is what the link looks like it was supposed to do).
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Ahhhh, the vagueries of the aging mind. Wait.... What was I saying?
Carbonite <----- GitHub main module (Maps ONLY) download link. The other modules are also available on GitHub.
Carbonite-CLASSIC<----- GitHub link to Carbonite Classic. Thanks to ircdirk for this!