This page is a collection of links to aura exports which are useful for all classes. This list is not exhaustive and the links and auras are not guaranteed to work.
General
Enchants, trinkets, tier sets, legendary items, Heroism/Bloodlust, etc.
Engineering
Cloak tinkers, glove tinkers, belt tinkers.
Tanking
Last updated: August 2014, Patch 5.4.8