WowAce

Saves contents of your guild bank and sends/receives updates over the addon channel

Combat log evolved.

SpyGnome

MendWatch

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

Open those pesky lockboxes

Watch tooltip updates to announce when you find specific objects

GUI Configuration Library

Libary for cleanly inspecting other players

Control screenshot format and quality via FuBar

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

Adds options to create customized layouts from within grid.

Makes your item stats shine!

Does stuff for sachmo

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

StitchUI

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.

ClosetGnome_Fishing

Scans your Equipment for cumulative item bonuses and sums them up.

FuBar_WindFuryFu