WowAce

Allows tradeskill usage by clicking items or reagents.

Helps you automate selling stuff

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Smart mount randomization on a button! Empty coconut halves not included.

Animated target indicator

Simple library that handles multiple levels of logging.

Cartographer_QuestObjectives

Adds predicted lists for spells while the user types

Adds achievement reminders to BigWigs

Display an informational fighter jet style HUD while flying or riding

Alternate Rune Display

Displays how many times you have jumped.

Loudmouth

A superior broker/LDB display for users of the Recount damage-meter.

FuBar_HonorFu

Some handy events that should exist in the default UI

Fubar_ChannelWatchFu remade for Broker

A data broker display, that shows one block per plugin.

Automatic Refilling of User Defined Items

Keeps account of attendance and loot for raids, parties, bgs, arenas and solo for questing.