WowAce

A unit testing framework for World of Warcraft

Historian

Makes the Battle Objectives Frame movable

Hide frames of people you've ignored.

Broker_Tracking

Adds AFK status to Grid2.

Show who is targeted by at least one enemy, and the casting progress of the incoming spell.

BabiiSkulls

Item scale modules for PassLoot

Fixes the unintuitive and inconsistent behaviour of join as group for battlegrounds.

Easy Button for casting MD/ES/ToT etc on tanks.

Shows the duration of the most recent (or current) combat

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

Minimalistic LDB plugin that allows tracking of raid IDs across characters.

QuestLongList

RapidCast

Vigilance tracking for Protection Warriors

Yet another HUD addon

PVPtimer

MagicMarker_Data