WowAce

Heads Up Display with Player and Target Info

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

Keeps track of HoTs, DoTs, Buffs and Cooldowns. With audio and text alerts to refresh them.

Smart raid loot and DKP tracker with automated standby and learning

Open inventory items with 1 button

provides enchanters with a decent tool for managing their profession

Database of Trainer locations for HandyNotes

Tracks the Blood Shield for Death Knights.

Threat-2.0

A Collection of Automations and Interface Tweaks.

Guilder brings common guild-raid tasks together in one convenient place.

Displays the locations of the chests for the Treasure, Treasure Everywhere achievement

A lightweight addon that does something.

ItemBonusLib

Some handy events that should exist in the default UI

Hook extra menu to friend list, guild list and chat player

Good old LibTourist-3.0 for WoW Classic Era

Modular and lightweight party/raid frames.

tekKonfig

A Simple World of Warcraft Spam Filter!