WowAce

An addon to assist with organizing healing in a raid set up.

Allows you to browse your clients database

Save and load macros.

Manages social information with a focus on main-alt associations.

TomTom CrazyArrow pointing to the targeted group member

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Entertaining kill-shot notification.

FuBar_MiniPerfsFu

Expo

TouristLib

Allows tradeskill usage by clicking items or reagents.

Tracks, transmits and displays the cooldowns of your raid.

Cartographer_nnTrainers

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

InspectFix

Shared handling of media data (fonts, sounds, textures, ...) between addons.

LilSparky's Workshop mod for Trade Skills

FuBar_ExperienceFu

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.