WowAce

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

IFrameManager

Colors friends/bg score board/who list names by class color

GCInfo

Reports the total threat on a mob at the end of combat.

Adds custom layouts for Grid

A library which provide tools for detecting adverse effects on units.

GridAlert

Display combo points for Arcane Blast debuffs

A simple Fubar plugin for Cartographer_Routes to quickly show/hide routes in the current zone

Provides training reminders to help decipher the Blizzard Spell Alerts.

KivinConsoleXP

All Flight Masters, flight duration and more.

Keeps track of people who have recently sent you messages.

Allows for gold tracking across multiple time frames

Adds icons to the configuration menu for all standard Grid indicators.

KeepItCool

FuBar_KCIFu

BetterMagnet

Replacement for WoW's flash/fade functions.