WowAce

Shared handling of alternate identity data between addons.

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

A UI for searching the guild roster.

Tracking and ranking of dps/hps in a guild.

Displays online guild mates.

Allows for easy congratulating when someone earns an achievement.

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

Need Greed window for EPGP lootdistribution.

Addon for creating, storing, and sending chat messages to multiple channels at once. Supports item linking and configurable key binding.

A collection of useful (guild management) tools and utilities for smarter than average bears.

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

Angry Raid Points

Displays online guild mates.

View an image of your guild vault from anywhere.

A FuBar plugin for Converge Guild Officers.

Raid loot tracking and text generation

DKP system for all guilds in the Banana Republic.

Manages tracking of raid attendance, loot, and more.

Searches bags/banks of all your characters/guilds.

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