WowAce

Lute

Shows guild and system message of the day only if either one of them has changed since the last login.

GridAlert

Write event handlers in a simple GUI in-game

Bug fix for the Blizzard calendar -- prevents unexpected window closure while editing events

Sets you to DND when you fight a boss, and some other crap.

Shows a frame to track your Pyrite debuff on Flame Leviathan and it's trash. Completely based on MalygosStacks by Nebula.

ViewAddonMessage

A texture browser for developers and UI modders

Displays how much your Shield Barrier will absorb if it is used at any given moment.

Ich bin ein Paparazzi.

User-configurable protection for your inventory. Automatically buys back mistakenly sold items.

Expiration

Minimalistic LDB-based friends display

LFD status via a DataBroker display rather than the minimap.

Logs hunter's use of Feign Death

LibRockLocale-1.0

A Raid DPS Data Broker plugin.

GameLobby

Enables you to see Chinese, Japanese and other languages in game