WowAce

Provide plenty of links

OneBag

Cartographer_QuestObjectives

TrackingBar

A Mount and Companion manager

Threat reactive nameplates for TidyPlates.

Shows the mirco menu and game menu in a clickable broker tooltip. Also shoes fps and latency.

This will keep track of how much you have paid per item in your inventory. Only one of (Auctionator, Auctioneer, AuctionLite,...

Barks at you when you target a crowd-controlled unit

BuffMe

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

Manages tracking of raid attendance, loot, and more.

Volume control panel.

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Buffalo

Library handling communcation for Magic* addons

Show what quests have changed

YssGuildShop

Sheppard

Displays how many times you have jumped.