Drum writing software

Something I can not find on Habré mentions of such a wonderful program Hydrogen . Strange. But despite the fact that this creation of the hands of the programmers is free, open, it spreads of course for free, and it weighs little, but its functionality contains everything that attracted me to the paid and heavy Fruit Petlo, that is, FruityLoops. Moreover, in hydrogen it is possible to build lots with a tri-ripple, and moreover, a combination of triple and non-triol drawings in one bit (I did not find this in FL). When for example the hat knocks even eighths, and the worker with a barrel is a triol. Do not think that this would be nonsense))) Not true. When as))) Here, for example .

PS By the way, it is cross-platform)))