WowAce

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter

Add-on that shows which battle pets can be farmed this week

Library to provide non-explicit cooldown tracking and callbacks.

Adds easier gear switching to FuBar.

Opens professions and shows their skill level.

Persists collapsed state of headers across wow sessions.

Lexan

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

cgCrafty

Rewrite myBindings. An enhanced key bindings interface.

Merchant, gossip and taxi tweaking module for TweakHub.

Adds a confirmation dialog when crafting Bind-On-Pickup trade skill items

A popup menu containing user-programmable scripts.

A FuBar plugin for MagicMarker

Automatic ammo reloading and selection, with warnings.

JostleLib

Replacement for the default nameplates.

Complain about crowd control breaks.

TickTo

Display combo points for Arcane Blast debuffs