WowAce

Keeps an eye on someone's distance from you, and alerts you if they get too far.

Used to visualize and change values of variables/variable-trees in game

Remaining and rested XP Data Broker plugin.

Cryolysis

iTargetingFrames

FruityLoots

Surfaces

Shows at-a-glance what raid buffs/debuffs you have.

Evaluates your gear

EyeCandy

Shows loot information in item tooltips

Omniscience

LibDataBroker plugin showing some random XP related data

Creates parameterized AceGUI-3.0 editboxes with autocompletion

Item link modification

A library to help with localization of Archaeology artifacts

FuBar_CRDelayFu

AutoFIR

Ratings

GoldenRun