WowAce

Loot management tool

Displays online guild mates.

Angry Raid Points Client

Allows for easy congratulating when someone earns an achievement.

Manages tracking of raid attendance, loot, and more.

On login, displays changes to your guild since the last time you logged in.

A fork of BananaDKP.

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

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

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

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

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

Displays a grid of guild ranks versus permissions.

Combine

Allows customisation of login/logout system messages.

HazLoot

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

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

Calendar improvements

Creates new chats with guild channel functionality