WowAce

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A library to help with localization of Archaeology artifacts

Add-on that shows which battle pets can be farmed this week

A loot distribution addon meant to improve master looting during raids.

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Opens professions and shows their skill level.

Automatically sells low quality gray items and selected white items to the vendor.

TradeStop

Denial2

A FuBar plugin for MagicMarker

Adds easier gear switching to FuBar.

Notifies you of experience gains

Adds a confirmation dialog when crafting Bind-On-Pickup trade skill items

Capsule

Replacement for the default nameplates.

A boss encounter engine used by other add-ons

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter

Constructs a SimC export string for an item without equipping it

A popup menu containing user-programmable scripts.

JostleLib