WowAce

Resizes some default UI frames (GuildUI, LootFrame, RaidInfo, TradeSkillUI and TrainerUI) to show more lines

SurgeonGeneral

Adds a Friendly Fire mode and data collection to Skada.

Skills plugin for any DataBroker display.

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

Adds usable and equipable filters to Baggins

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

ClosetGnome_Mount

Don't underestimate your little critters!

Shows the price of a single item in the Auction House.

Sphere

Toolset for tanks, providing information on taunts and other valuable information.

Adds options to create customized layouts from within grid.

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

Clean looking square minimap with many options.

FuBar_TransporterFu

Manages tracking of raid attendance, loot, and more.

Make noise when the servr is going to restart

RaidHelper

MainAssist