WowAce

KivinConsoleXP

Shows the spec of people around you in the tooltip.

Display and change minimap tracking modes from your FuBar.

DungeonCrawler

FuBar_TinyTipFu

Resizes Blizzard raid frames, and adds additional options.

Communicates with guild members for their positions on the world map

Replacement for WoW's flash/fade functions.

XML import library

Automatically switches Profiles of addons when changing spec

A library that tells wether a item is a quest item or not (equipped or in bags)

Configurable dynamic combat logging extender module for TweakHub.

Shows more recipies in the profession window.

Enable/Disable addons for your character in game

LibFuBarPlugin-3.0

See all incoming casts on your target. Also includes resurrection monitor. Uses libhealcomm-3.0 and librescomm-1.0

Allows you to loot BoP items without prompting when not in a group or raid

SeeingRed

Adds a simple percentage threat status to Grid.

Keeps track of people who have recently sent you messages.