WowAce

Various libraries based on LCD4Linux, offering users lower-level UI customizations.

RicoMiniMap

SupplyAndDemand

Outdated! Please use 'XLoot', available on Curse and WoWI

Shows your standings with the factions.

Suppresses chat messages from damage meters and provides single chat-link damage statistics in a popup.

FuBar_uFriends

Monitors the combatlog identifying players from the oposite faction near you.

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

wRlog

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

Raid Frames using the oUF framework.

A threat main view module for Recount

Control screenshot format and quality via FuBar

FuBar_WhisperFu

Simple and rich Death Knight rune customizations

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

Configuration library

A popup menu containing user-programmable scripts.

Dropin replacement library for SetBackDrop