WowAce

Shared handling of alternate identity data between addons.

Tracking and ranking of dps/hps in a guild.

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

Keeps account of attendance and loot for raids, parties, bgs, arenas and solo for questing.

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

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

Displays online guild mates.

A UI for searching the guild roster.

Allows for easy congratulating when someone earns an achievement.

Displays online guild mates.

Need Greed window for EPGP lootdistribution.

Angry Raid Points

Interface for addons to include extra information on the GuildMemberInfo frame.

Manages tracking of raid attendance, loot, and more.

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

Raid loot tracking and text generation

DKP system for all guilds in the Banana Republic.

Friends & Guild Data Broker plugin.

View an image of your guild vault from anywhere.

A FuBar plugin for Converge Guild Officers.