WowAce

oUF Layout

Shows guild and system message of the day only if either one of them has changed since the last login.

Tank statistics Data Broker plugin.

Show a rough range indicator

Never forget which one in that 5-mob pull casts what spell again.

GirlFriend

Skip the gossip and select the normal NPC action

BossWhisperer

Shows more recipies in the profession window.

FuBar_AEmotesFU

Utilities for pixel perfection, decimal to hex, parsing item strings

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

OneChoice tries to help you reduce quest reward choices down to, ideally, one choice.

Creates a broker plugin for all your broker launchers

Overlays Archaology digsite icons on the flightmap

LD50_armor

GuildFilter

Show a texture on demand

Menagerie

Display combo points for Arcane Blast debuffs