WowAce

Keeps track of durability and pops up a dialog to repair when you go to a vendor who can.

Tracks your keystones

Shows activity for hidden ChatFrames by making their tabs flash.

Addon to switch all your AceDB profiles via slash command. This tool also allows you to emulate profiles for non AceDB addons.

FuBar_ItemBonusesFu

Raid Cooldowns

Adds manabars to the sides of Grid frames.

Tracks SendAddonMessage Spam

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

Improved Quest Tracker

Creates a broker plugin for all your broker launchers

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

Death reports

LilSparky's Workshop mod for Trade Skills

Adds Archaeology items to AdiBags virtual groups

Keeps track of space left in your bags.

Monitors for friendly deaths and announces them as in Myth: The Fallen Lords

Replacement for default bags.

ShadowGreenLight helps you decide if recasting SWP/Corruption is worthwhile

Acolyte2