LMMS has 32 and 64-bit instrument support, a Roland synthesizer, ZynAddSubFx synthesizer, sound effects emulators and a range of other tools. Import MIDI files or files from other music making software, add effects with plugins and the range of the many that are built in. It enables you to compose, sequence, mix, refine, edit and produce music from within a single interface. This is a free music making program that encapsulates everything to create music. LMMS began life as a Linux program before expanding to include Windows and Mac.