WowAce

Uses TomTom to show target location if target is in party or raid.

MarySue

Yikes

Library to handle and store information about frame that are possible targets to anchor other frames to.

Centralised management hub for small tweak, interface and utility addons.

Reduce the chance that talent switch be forbidden.

Shows on the minimap where to fetch Finklestein's reagents

Profession launcher objects for any Broker display

A friend in need is a unconversable robot friend.

SimpleChatMods

Invite lots of players in the raid browser for world boss groups

Track Death's

PowerPoint goodness for your addon

Time/date display for FuBar.

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

DrumLogic

Comergy 2

Minimalistic group roll frames.

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

A standalone addon to walk around the 4.0.1 inspecting BUG. Also provides help for other addon that need Inspecting