WowAce

Invite lots of players in the raid browser for world boss groups

Repairs your items automatically upon visiting a vendor.

Static library of wow map data

UIThing

Enables autolooting when you start fishing and disables it afterwards.

Displays the time until the next battle and more.

Shows who controls Wintergrasp and the time until the next battle.

Helps to track outgoing mails

Makes grid QuickHealth aware

Broker launcher that switches specializations when clicked. Also hides spell learned spam.

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

Shows how many epics (and other qualities) you are wearing

Database of reforging IDs

Norushen Encounter

Simple oRA3 Maintank Target Frames, based on oUF

Adds AFK status to Grid frames.

Automatic Refilling of User Defined Items

Data Broker plugin showing your pitch and speed.

Automatically heals your battle pets when you visit a stable master

Displays an animated bar with next enemy swings