WowAce

Library to help with querying unit talents.

Utility library with shared functions and data for various addons by NeoTron.

Helps you automate selling stuff.

Battleground Timers in a HUD around the Blizzard BG status

GUI Configuration Library

opens/closes all bags when at merchant (instead of only the backpack)

KillingSpree

FuBar_RegenFu

Doublerightclick casting, autolure and sound enhancing

LDB data source for herb, ore and skinning node data

Provides the /in command for delayed execution.

Enables you to see Chinese, Japanese and other languages in game

XP and Reputation bars

Allows you to prevent addons from sending and receiving messages.

Adds resurrection and soulstone status to Grid, using LibResComm-1.0.

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

A customizable casting bar replacement for TBC Classic & Classic WoW

PerfectTargets

Adds talent specialization role status to Grid.

FuBar_ArenaFu