WowAce

Adds resurrection and soulstone status to Grid, using LibResComm-1.0.

Adds your name to chat messages

Disease Tracker for Death Knights.

ClosetGnome_Mount

Antagonist

Provides access to all teleporting spells and items on right click of minimap button.

Tracking and ranking of dps/hps in a guild.

A jukebox for playing wow embedded music.

Shared handling of media data (fonts, sounds, textures, ...) between addons.

A volume control for Data Broker.

Configuration library

Collect data about you myth+ challenges

Allows customisation of login/logout system messages.

Improved Quest Tracker

GemList

It's a doodle pad for doodling with doodles.

Proximo

Mapster's Minimap brother

Enable/Disable addons for your character in game

Quest helping: fetching items to use, that sort of thing.