WowAce

FuBar_ExitFu

Tracks specialization and talent data for group members

Shows where the equipment of inspected users or yourself is from.

FuBar_GemWatchFu

Hotkey interface for spells, macros, other clickables.

GearRating

ElfReloaded

Merchant, gossip and taxi tweaking module for TweakHub.

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

Constructs a SimC export string for an item without equipping it

Replacement for the default nameplates.

Display an arrow that points to a raid/party member anchored to raid frames

RaidGroupNumber

A seperate focus bar, with focus gain prediction and rotation forecast.

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

OneBag is a replacement for the default game bags that combines all the bags into one frame.

TextSpy

Show optimal path for artifact leveling

Centralised management hub for small tweak, interface and utility addons.