WowAce

Show a texture on demand

Show what quests have changed

Point to quest POIs on your minimap

Open all your mail

From bags we came, to bank we return

Drop the cheapest thing you're carrying

Show the appearance of an item when you mouse over it

Arena unit frames

Displays information about the current zone on the World Map, for WoW TBC Classic

Good old LibTourist-3.0 for WoW Classic Cataclysm

Set and manage character notes that are displayed in unit tooltips and /who results.

Modular casting bar.

LibItemInfo-1.0

Enhances the default AddOns list.

Speed plugin for any DataBroker display.

Should I send that recipe to my alt?

Enables multi-line/unlimited-length pasting of text or commands into WoW

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

Loot management tool

Mutes various chat related annoyances while in capital cities and instances.