UBB.Developers Forums UBB.threads 7 Development How Do I? Hi a few questions

First of all Hi everyone
as u can se im new here 1st post

anyway i wanted to ask what is that multi hack proggram what does it do i didnt really understand it

and second thing is what exactly does the ubbdev develope??

sry for the stupid questions just i found this forum while searching for something else looked interesting so i signed up