Mutools presents MU.LAB 3, a sequencer / DAW for both Windows and Mac OS X that looks awesome!
New in MU.LAB 3
Price: MU.LAB FREE (free), MU.LAB XT (25 EUR) MU.LAB UL (75 EUR)
Find more sequencers!
"MU.LAB is an alternative, hi-quality music application for Mac OSX and Windows, transforming your computer into a complete music studio!" MUTOOLS