WowAce

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

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

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.

SmartyCat

Quickly builds /target macros for immediate use.

obRaidAssist

Clock plugin for any DataBroker display.

LibRockDB-1.0

SalvationKiller

Configure which layout or profile to load on entering a zone

MorgBid

Pet Battle Lite Frame

Diplomat

Langoustine

Restores channels and channel-window associations after disconnects remove them.

Adds a simple percentage threat status to Grid.

Automatically switches Profiles of addons when changing spec

Continuation of Shadowed Unit Frames

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

Automatically restock items from vendors and your bank