Russix
Russix is a Slax based Wireless Live Linux.
It has been designed to be light (circa 230Mb) and dedicated purely to wireless auditing.
It is not a script kiddy phishing tool and as such, while it will allow you to break a WEP key in 6 key strokes and conduct an "Evil Tiny Twin" attack in less than 5, it will not let you become the latest version of Barclays Bank.