WowAce

Displays an estimated time until you're out of mana

Simple loot specialisation display with selection in tooltip.

Creates a broker plugin for all your broker launchers

Raid assignments planner

Diplomat

MorgBid

Easy Button for casting MD/ES/ToT etc on tanks.

Shows the duration of the most recent (or current) combat

LDB data feed plugin designed to display various statistics derived from the Recount addon.

Automatically switches Profiles of addons when changing spec

DKPmon

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

Creates parameterized AceGUI-3.0 editboxes with autocompletion

ClosetGnome_Banker

Really very early stage. No, earlier than that.

Item link modification

School

Mage Portal Whisper: whisper custom message when someone asked for a portal but youre busy.

Broker launcher plugin for Recount

FuBar_IOPFu