WowAce

Calculates DKP based on Item Level

Adds four icon indicators to Grid (top, bottom, left and right).

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Simple and rich Death Knight rune customizations

Draws some lovely 3D portraits in the standard Blizzard artwork.

Adds Buff/Debuff icons to the grid frame.

Adds 3 corner indicators to each corner of the Grid frames.

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

A PitBull4 module which shows an arrow that points to raid members

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

Shows missing buffs and handles welfare and deluxe buffs as one (motw/gotw, blessings, etc.). This lets you see when you nee...

Dynamically atering layout in raid environment (Tanks, Ranged / Melee DPS, Healers)

GridLayoutPlus

Counts stacked lifeblooms and uses progressive colors to indicate the active number of HOTs.

Status indicator that shows the remaining of value of Powerword shield.

Makes grid QuickHealth aware

oUF layout looking like ag_Unitframes and Grid.

Replacement for the default nameplates.

PlayerNotes

A Perl layout with oUF.