WowAce

Tracks and reports party rolls

RepWatch

MessageEvent

Displays the remaining time on grid icon's cooldown animation.

Adds "line of sight" status to Grid (after the error occurs).

CharScanner scans Basic Character Data, Talent Specifications, Equipment, PvE/PvP Achievements, PvE Boss Kill Statistics and ...

Adds PvP status to Grid frames.

Minimal KoS-list-addon

ItemRackFu

TrainingWheels

JostleLib

This is an add-on to block incoming guild/party/duel requests (except for friends/party/guild) (previously ASSBlock)

PricePer

Manage your AddOns while logged into the game

A library to provide a way to easily create controls for Blizzard's options system

Adds aggro coloring to oUF.

Show a bar indicating the unit's Soul Shard count.

Darkness

EBB-inspired buff bars with click-to-remove support

Color player names in chat by their corresponding raid class colors