WowAce

Makes grid QuickHealth aware

On login, displays changes to your guild since the last time you logged in.

aUF_RangeCheck

FuBar_uGuild

Simple and rich Death Knight rune customizations

Allows you to loot BoP items without prompting when not in a group or raid

Displays events from Calendar for upcoming week in tooltip.

Shows current/dot cast haste values

PerfectTargets

Evaluates your gear

ItemValue

Show a texture on demand

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

WF3sec

Spyglass

Tooltip scanning library.

"Your quest log is full". How many quests do you have in your log?

Client for MagicDKP which handles standby calls and bidding on items.

Saves contents of your guild bank and sends/receives updates over the addon channel

Adds options to create customized layouts from within grid.