WowAce

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Tank statistics Data Broker plugin.

A library that maintains a cache of items and their types.

Shift-clicking on a user name in chat shows a tooltip with their whois information.

Keeps track of important de-/buffs in a splash screen

SQL-driven database system for Lua

changes LFR wing descriptions to encounter lists

Automagically draw your weapons !

Assistace for Blackhand (Mortar warning in P2, custom says for bombs and marks in P3)

OneView

LibFuBarPlugin-3.0

Voyeur

Enhance Shaman Cooldown Tracker

RotLatency keeps track of your reaction to cooldown expiration.

Selectively loots your fishing catches.

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

KC_PlayerFramePlus

Adds the "pixel perfect" font "C&C Red Alert" to LibSharedMedia

WFtotem

FuBar_OmenFu