WowAce

ArenaPointer

Show coordinates on minimap

Adds four icon indicators to Grid (top, bottom, left and right).

Tooltip of socials button will now show which friends are online

Embeddable chat throttling library with traffic shaping and priorities

Should I send that recipe to my alt?

Spyglass

Quest library for mob location and other information

Instant PROC notification

View any characters bank and bags from anywhere. Stores items in Baggins submenu "Anywhere Bags."

EasyTrack

CombatAnnounce

Provides access to all teleporting spells and items on right click of minimap button.

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

Enables the filtering of items when you visit a vendor

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

Automate Your GDKP Auctions, Bids, & Payouts

Shows learned recipes of all characters.

Nudge

Shows class colors on player nameplates and names