WowAce

Expo

Adds Raid Target Icon status to Grid (Player or Player Target).

Eliminates the spam from the chatframe and sums it up in a broker plugin.

SanityItemCache

Adds 3 indicators to each side (top, bottom, left and right).

Small addon to copy chat lines.

Adds aura indicators to unit frames

GemList

rSelfCast

Lists and/or reminds people missing flasks or food buffs at every ready check.

MoBuffs

"Shows Call To Arms status in an LDB data provider."

Open those clams (and other containers)

DotDotDot

Deformat

PiraPlex

Protractor

Assist you with faction transfers letting you know which mounts, spells, etc you have and what they will be swapped to.

Paints your known blueprints red.

Fail display for Recount based on EnsidiaFails filtering options