WowAce

Uses guild notes to add alts' main names to chat windows and other places

PartyToGo

Adds Friend and Guild options to the context menu of player units.

Cartographer_Mailboxes

Recap

SpyGnome

Shows a circle on the minimap to indicate spell range

Quickly assign the highest follower to each building or unassign all of them.

Utilities for pixel perfection, decimal to hex, parsing item strings

BanzaiLib

Customize the PlayerPowerBarAlt display

Checklist and notes addon.

Makes grid QuickHealth aware

Shows who controls Wintergrasp and the time until the next battle.

SinkLib

LDB Broker launcher for HealBot

Tool for easy task assignments in raids.

KC_Items

FuBar_OutfitterFu

Battleground Timers in a HUD around the Blizzard BG status