WowAce

Monitors AP when dots are applied, clearly showing current vs applied AP levels.

Automatically sells low quality gray items to the vendor.

Adds a Friendly Fire mode and data collection to Skada.

Spy on your guild.

DrugTest

Enhances the Equipment Manager to let you control the helm/cloak visibility for each set.

A system config addon to WOW

Grid module to emphasize units based on some configured conditions.

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Dock

SQL-driven database system for Lua

Configurable dynamic combat logging extender module for TweakHub.

LibFuBarPlugin-3.0

TMrecruit

A library to provide tools for formatting money and time.

Provides a library for accessing auction data and pricing from various Auction Data mods

Converts incoming ALL CAPS CHAT into lowercase text.

DKP ingame management

Simple and rich Death Knight rune customizations

An attempt at giving a complete overview of Arena battles