WowAce

Creates simple table controls for tabular text data.

Open all your mail

Displays information about the current zone on the World Map, for WoW MoP Classic

RaidSpy

Heads Up Display with Player and Target Info

Helper functions used by my addons, feel free to use them in your addon too

Creates virtual cyphered chat channels over guild addon communication channel.

Barks at you when you target a crowd-controlled unit

Sphere

Reduces interface tedium by doing the little things for you.

TouristLib

FuBar_RegenFu

FuBar_PuntFu

A library to get currencies' related information

Threat-2.0

FuBar_BattlegroundFu

FuBar_MicroMenuFu

FuBar_RLAssistFu

PT3Browser

WhoDrop