WowAce

An in-game list of all hunter pet families and their abilities.

Adds spell-based range checking to Grid, and the ability to check multiple ranges.

Enables RatingBuster to calculate selected buff effects even if you don't really have them

T_RPP

Lightweight line-based info-display frame

EyeCandy

BagSync

HealGraph

A bar for all diminishing returns. Maybe nice for Arena, but intended for the third boss of Trial of the Crusader

Envenomous

BigWigs_ThogarLaneColors

Library to handle and store information about frame that are possible targets to anchor other frames to.

A creative frame managment library

Manage your AddOns while logged into the game

Cartographer_Import

KivinConsoleXP

Shows attachment count in Inbox icon.

FuBar_IOPFu

Adds the ability to send mass mails to guild ranks.

TweakHub module to make your inbox a little friendlier.