WowAce

In-game EPGP guild helper, supports standby, main/alt shared pools, minEP, offpecGP. Fixed price list with progress multiplier.

World of Warcraft Classic addon to display current zone information.

KoS-Management Tool

Detects specific CDs and spellcasts

Incubator

Review any raid or party members recent incoming combat along with health level.

Shows Status Bars that you can drag around and group up for your cooldowns

InfiniBar-2.0

Database of Diminishing return categories and general data

Dims action buttons.

Keeps track of performance of memory, latency, and framerate.

Add item levels to Inventorian

Manages tracking of raid attendance, loot, and more.

Creates simple table controls for tabular text data.

A data broker display, that shows one block per plugin.

Displays information about the current zone on the World Map

A library to get currencies' related information

A customizable view of friends and guildmates.

Better quest log and tracker

Cartographer_Treasure