WowAce

GetInLine

QuestAnnouncer

Broker plugin to display player orientation

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

RaidInfo

Shared handling of media data (fonts, sounds, textures, ...) between addons.

Show vignette icons sooner

ClosetGnome_Mount

OneBag

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Tools for MultiBoxers or Group questing/leveling

Add-on that allows you to setup and quickly switch between different profiles of your action bars

FuBar_PoisonReminderFu

Enables user defined sounds for Party, Guild, Raid and Custom Channel chat messages.

FuBar_FactionItemsFu

Configuration library

LCDs for WoW

Desesperated announcing to clearly show the skillings of act inplay.

A Library for stat conversion, calculation and summarization.

Automatically leaves the global channels when inside an instance/raid and restores them when exited.