Nostalrius Begins - Quality wow vanilla realm (1.12)

Hey guys,
So recently I read alot about different AddOns in order to improve my gameplay.
Unfortunately it seems like alot of these AddOns which are included in the Nostalrius AddOn package don't work. E.g. for Enchantrix and Informant it allways says "dependecy missing".
I downloaded some other AddOns from different, somewhat save, sources, but I allways have a bad feeling about it.

Am I just too dumb to get them working, or are most of the Nostalrius AddOns indeed bugged? Are there other sources where I can get said AddOns?

Cheers

There's a chance some of the addons contained in the package are depenencies for other addons.
Did you pick and choose or installed everything?