WowAce

On login, displays changes to your guild since the last time you logged in.

Taggle

Database of FlightMaster locations for HandyNotes

quick quest turnin and acceptance with a shared keybind

Adds a highlight border to items in your MogIt Wishlist, making them easier to see.

Keeps track of durability and pops up a dialog to repair when you go to a vendor who can.

LittleTrouble

Adds options to create customized layouts from within grid.

DeclineDuel

Tools for MultiBoxers or Group questing/leveling

Uses guild notes to add alts' main names to chat windows and other places

A UI for searching the guild roster.

Rep2 displays a message, which shows how much reputation you gained, and how much is needed until the next standing.

Group interrupt cooldown tracking.

FuBar_PetInFu

A full package of auras for all 3 Shaman specializations

Timerbar embeddable library

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

Watch tooltip updates to announce when you find specific objects

PoisonMenu