WowAce

Provides extended aura status settings.

Adds manabars to the sides of Grid frames.

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

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

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

Adds tooltip for debuffs (and other things? you found out: no).

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

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

Mark some idiots.

Grid-like skin for TidyPlates

A little game you can play as healer on Grid (to practice keybindings or just for fun).

Rapture

HealGraph