WowAce

Adds TargetIcon status to Grid2 (player / player-target).

OneBank

A unit testing framework for World of Warcraft

EasyPet

Save, load key bindings, set autoload for specchange, etc

Object-orientation library

Adds tooltip for debuffs (and other things? you found out: no).

FuriousTask

RefillRemind

Shows the Guild Achievements Points and Members in the tooltip

BabiiSkulls

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

Fixes the unintuitive and inconsistent behaviour of join as group for battlegrounds.

ArenaHistory

Automates sending/accepting group invites in several different situations.

Reputation Statistics - Gained, Needed, Rep/Hr, Session Time, etc.

Tracks money/tokens across all your characters; /goldwatch for options.

A money data broker plugin.

ViperWatch

Shows what stat was reforged in item tooltips.