WowAce

DHUD2

FuBar_FuXPFu

FuBar_TrainerFu

Cryolysis

World of Warcraft Classic addon to display current zone information.

Addon management panel extreme release edition

Tracks whispers and conversations

Shows the price of a single item in the Auction House.

Tracks Black Market Auction House auctions.

Quest helping: fetching items to use, that sort of thing.

GatherHud for GatherMate2 with Routes support

StatStain

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

ShadowGreenLight helps you decide if recasting SWP/Corruption is worthwhile

Manages the scanning of the auction house in a reliable an efficient manner.

Welfare Epics

Allows you to create icons, which can be customized greatly by user's input. CiR is more than just the usual cooldown tracker.

Allows for gold tracking across multiple time frames

Cartographer_Mailboxes

TradeStop