WowAce

Shows the source of an item as a tooltip

Invite lots of players in the raid browser for world boss groups

FriendlyArrow

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

GBS tricks other addons into thinking a guild bank is your personal bank.

HuntersMark

Tracksw

CurseBar

allows you to flip cards of omens by spinning your mouse wheel; counts cards opened and money earned per session and lifetime

Simple item compare tooltips

Tacticial pet battle information so you can be a Pokemon master

What actual item level is an item? Yes, it's horrible we need a library for this.

Unsolicited

Mute all sounds except boss emotes and addon sounds

RaidWatch_MC

DragLib

AltsMains

LibCooldown-Spell-2.0

Determines who really failed at Defile during the Lich King encounter

BigWigs_ThogarLaneColors