WowAce

A variant of AceGUI's Frame container with an editable input field

Avion

FuBar_ToFu

Mutes Annoying Sounds

changes LFR wing descriptions to encounter lists

Numen

Buffalo2

Target assistance by automatic rewriting of macros

Teknicolor_tab

Broker launcher that switches specializations when clicked. Also hides spell learned spam.

A Latency Data Broker plugin.

Keeps track of honor, PvP statistics, BG Marks, and Arena points.

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

A library to return spell duration and debuff type of a spellID.

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

Bars showing amount of buffstacks

Considers an item against all the items you have to determine whether or not it is an upgrade

Display an arrow that points to a raid/party member anchored to raid frames

DeclineDuel

Automatic tracking of the current target's creature type. For the discerning PvE hunter.