WowAce

FuBar_RecapFu

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

FuBar_CRDelayFu

FuBar_PetInFu

A customizable casting bar replacement for TBC Classic & Classic WoW

Calculates DKP based on Item Level

LDB data source displaying rested XP for whole account

Allows you to prevent addons from sending and receiving messages.

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

MonkeyPirate

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

Give logical progression of Mining, Herbalism & Skinning. Will not be updated with WoD zones

ElectrofluxTextronator

Fixes UI bugs

Vengeance module for Broker displays.

JasonQuest

CBRipoff

Shows the health of the player's current bodyguard.

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

SysMon plugin for any DataBroker display.