WowAce

A texture browser for developers and UI modders

Simple loot specialisation display with selection in tooltip.

Small addon to copy chat lines.

Reputation Statistics - Gained, Needed, Rep/Hr, Session Time, etc.

Display fails based on EnsidiaFails filtering options in Skada

Displays an estimated time until you're out of mana

Darkness

Displays reagent count on spell action buttons

Lightweight line-based info-display frame

aUF_Banzai

Shows an arrow to your bite victim during the Blood-Queen Lana'thel encounter in Icecrown Citadel (your raid leader must be r...

An attempt at giving a complete overview of Arena battles

Minimal KoS-list-addon

Item link modification

CraftBotFu

Simple enhancements to the mission list.

LibRockTimer-1.0

Spawns toasts for looted items, money, and currencies.

Shows you a typing indicator when people are typing to you.

LootWhore