WowAce

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

Adds custom layouts for Grid

GridAlert

Show a bar indicating the attack power gained from Vengeance.

Adds icons to the configuration menu for all standard Grid indicators.

Simple and rich Death Knight rune customizations

Display combo points for Arcane Blast debuffs

Adds Buff/Debuff icons to the grid frame.

My plugins for KuiNameplates

Makes the message dialog movable

ag_Pimpster

Show who is targeted by at least one enemy, and the casting progress of the incoming spell.

Draws 3D portraits for main units that can be moved or resized at will.

oUF element for highlighting debuffs that are dispellable by the player

oUF_HolySmurf

Status indicator that shows if a unit is hostile (probably mindcontrolled)

Adds a simple percentage threat status to Grid.

Custom minimalistic nameplates

Pet Battle Lite Frame

Adds Blizzard, oRA2, oRA3, CT_RA MainTank or Dungeon Finder Tank icon (shield or MT, 1, 2 ... 10) or text (MT or MT1, MT2 ......