WowAce

Helps you automate selling stuff.

Library to help with querying unit talents.

Shows a nice Soulstone Monitor.

Embeddable chat throttling library with traffic shaping and priorities

On login, displays changes to your guild since the last time you logged in.

Spyglass

Nudge

Dynamically atering layout in raid environment (Tanks, Ranged / Melee DPS, Healers)

OneView

Instant PROC notification

Tooltip of socials button will now show which friends are online

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

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

Shows learned recipes of all characters.

Shows class colors on player nameplates and names

Automate Your GDKP Auctions, Bids, & Payouts

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

A Perl layout with oUF.

ImprovedRWF