WowAce

DHUD2

RaidSpy

Mob respawn timers

Embeddable chat throttling library with traffic shaping and priorities

Manages the scanning of the auction house in a reliable an efficient manner.

Provides extended aura status settings.

Enable/Disable addons for your character in game

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

Disease Tracker for Death Knights.

Shows learned recipes of all characters.

Adds Outfitter set filters to AdiBags.

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.

Calculates DKP based on Item Level

Libary for cleanly inspecting other players

Saves contents of your guild bank and sends/receives updates over the addon channel

Filters AFK and DND messages after you've seen them once.

FuBar_MiniPerfsFu

Assistance for the Ra-den encounter. (Unstable Vita order, ball kill order)

Shows you which bosses you've killed next to the raid finder frame.

Clean looking square minimap with many options.