The most popular these days is Native Instruments Massive. It is GREAT for any type of electronic music.
ableton 8
Dodge and Fuski: Python has a good drop. Also check out Centipede by Knife Party
You should go to http://www.kdub.co.uk/ to find the best Dubstep
Reason is a favorite. Not cheap though. See the link below.
skrilex.
Anything by Liquid and Vaski are popular, but the best dubstep songs are from Bare
Native Instruments Maschine and Mark of the Unicorn's BPM.
There isn't any
hardstyle,dubstep,trance,techno
Because
$&@! yes it iz. it iz th best genre out ther
Well what I use is Ableton live 8.