WowAce

Displays the remaining time on grid icon's cooldown animation.

Adds Buff/Debuff icons to the grid frame.

Set the clicking action for Grid buttons

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

Adds custom layouts for Grid

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

Adds spell-based range checking to Grid, and the ability to check multiple ranges.

Adds resurrection and soulstone status to Grid, using LibResComm-1.0.

Grid-style Indicators for sRaidFrames

Adds a status for when a unit is being resurrected.

Auto sizes frame layout depending on group/raid size

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Makes Grid sort ALL its groups like WoW (instead of ordering alphabetically by name)

Adds manabars to the sides of Grid frames.

Provides extended aura status settings.

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)

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

Grid-like skin for TidyPlates

GridStatusIncomingHeals

oUF layout looking like ag_Unitframes and Grid.

Displays a grid of guild ranks versus permissions.