WowAce

Adds Buff/Debuff icons to the grid frame.

Allows raid leaders to view information on raid or guild member equipment information

Adds indicators to the sides of Grid frames.

A library to provide tools for formatting money and time.

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

GoldenRun

TagCompiler-1.0

Displays Currencies as a Data Broker source

GameLobby

Automatically converts a party to a raid when you attempt to zone into a raid zone without a raid.

All Flight Masters, flight duration and more.

oUF_HolySmurf

Adds Blizzard, oRA2, oRA3, CT_RA MainTank or Dungeon Finder Tank icon (shield or MT, 1, 2 ... 10) or text (MT or MT1, MT2 ......

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

Keeps an eye on someone's distance from you, and alerts you if they get too far.

Adds notes to item tooltips

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

Smooth combat HUD based on ArcHUD2

Displays reagent count on spell action buttons

Keeps track of important de-/buffs in a splash screen