WowAce

Adds combat feedback to oUF.

Crit stat monitoring and adds more detail to paper doll.

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

DrumCoord

DKP ingame management

Never forget which one in that 5-mob pull casts what spell again.

Adds the "pixel perfect" font "C&C Red Alert" to LibSharedMedia

VisualThemes

Simple raid waiting list

Send Messages encoded with the hexadecimal system

Displays the internal cooldown of Eclipse as a ClassTimer bar

MorgBid

Makes it very easy to collect rare battle pets.

Keeps track of instances you are saved to on your characters.

PvP plugin for any DataBroker display.

Inserts some media that is already present in the game into LibSharedMedia's storage.

Really very early stage. No, earlier than that.

The ultimate in lazy Ulduar raiding

Shift-clicking on a user name in chat shows a tooltip with their whois information.

See all incoming casts on your target. Also includes resurrection monitor. Uses libhealcomm-3.0 and librescomm-1.0