WowAce

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

Interface for addons to include extra information on the GuildMemberInfo frame.

Adds AFK status to Grid frames.

Keeps track of honor, PvP statistics, BG Marks, and Arena points.

LDB display addon with one Blockoblock per plugin.

Lists Pots and Herbs you got on all chars and allows you to specify color coding

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.

Tweak the tradeskill windows

FuBar_TimerFu

Omniscience

PvP Trinket Tracker

BigWigs_ThogarLaneColors

Hunter 'Misdirection' activity and cooldown monitoring for raids/groups. 'Readiness' aware.

Reverse Engineering will drill down and search your tradeskills for their elements

Extends Gladius with diminishing return tracking

Library for tracking cooldowns of other players

Data broker for keeping track of your Ankh cooldown.

Keeps track of important de-/buffs in a splash screen

Adds custom layouts for Grid

BeneCast 10