WowAce

Gathers statistics on certain chance-on-use spells, also known as procs.

Keeps track of your current location.

Easily mail friends, guild members, alts and others

FuBar_HonorFu

Keeps track of your top hits, heals, criticals, etc.

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Necronomicon2

A library to help with localization of Zones.

Adds predicted lists for spells while the user types

DaHud

Rebuff yourself with the mousewheel.

FuBar_InnboundFu

FuBar_VolumeFu

Ironi's Encounter Event Tracker

Keeps track of current money and all your characters on one realm.

TabletLib

KoS-Management Tool

A library to provide a clean dropdown menu interface.

Database of FlightMaster locations for HandyNotes

Provides quick access to information on your group and their equipment, enchant and gem choices.