[Name] LMMS [Creator] Tobias Doerffel [Linux?] Yes [Mac OS X?] Yes as of 0.4.0 with Qt4 [Note] Free cross-platform alternative to commercial programs like FL Studio®, which allow you to produce music with your computer. Intended as a replacement for Cubase-like software (DAW) [Windows?] 
Yes
Y e s
Y e s l i m i t e d s u p p o r t t h r o u g h C y g w i n
N o