Cody's Threaded SMS cab Question

whats the deal with this program i've read an read on it some say it work others say it doesnt work all the way with a couple of problems

an i've searched for the program cody's threaded sms but i havent seemed to find the download for it just a bunch of threads talkin about it

can some one point me in the right direction besides saying google Codys Threaded Sms please