WowAce

A tool to appraise, estimate, or judge your equipment against the equipment of others.

BankAccountant

Tracking and ranking of dps/hps in a guild.

Friends & Guild Data Broker plugin.

Note + rep tracking for players, with guild data sharing.

EasyDKP

Creates new chats with guild channel functionality

Uses guild notes to add alts' main names to chat windows and other places

Combine

Allows customisation of login/logout system messages.

Angry Raid Points Client

Saves contents of your guild bank and sends/receives updates over the addon channel

Loot management tool

Bidder for DKP points. Usable as standalone bidder, or with DKP - Manager to manage points.

HazLoot

Emerge@Durotan-EU Raid Tracker

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

Waitlist addon with EPGP Mass Award hooking.

Manager for DKP points. Requires DKP - Bidder as main Graphic User Interface.

Calendar improvements