WowAce

Shows the group leader, raid assistants, and master looter in Grid.

Adds a third text indicator to Grid.

Simple and rich Death Knight rune customizations

Make the unit frame fade if out of range.

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

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

My plugins for KuiNameplates

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

oUF layout looking like ag_Unitframes and Grid.

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

Adds aggro coloring to oUF.

Adds a simple percentage threat status to Grid.

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

Animated target indicator

FuBar_XPerlFu

oUF element for highlighting debuffs that are dispellable by the player

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

Adds Buff/Debuff icons to the grid frame.

Pet Battle Lite Frame

Custom minimalistic nameplates