WowAce

Skin Blizzard buttons with ButtonFacade

DrWhoLib

Visual interrupt monitor

Displays the health of Yogg-Saron's brain during Phase 2 for all raid members.

Displays an estimated swing timer for monsters

GUI framework for the "Visor2" frame-modification AddOn (originally written by Tain, Rowne, Eraphine and Stylpe, the original...

Grid-style Indicators for sRaidFrames

google protobuf for world of warcraft

Shows ItemLevel Quotient in the Character and Inspect Frame.

Provides compact ability duration bars for many cycle dependent classes.

FuBar replacement for FuBar2Broker

Adds HTML output to Ouro Loot

Dual-spec equipment set switcher

DrumLogic

BuyCrap

StreamBuddy is a World of Warcraft AddOn that will make your life, as a streamer ingame, easier!

Pops up an image for where to stand

pResurrect

A standalone (using the stopwatch) or plug-in for DBM which displays the duration of interrupts on incoming or outgoing spell-tree lockouts.

Library of data about what items tier tokens can be turned in for