LMMS is more akin to FL studio, geared toward making electronic music with a sequencer and such. Ardour is more akin to Cubase, geared towards recording music f

LMMS is more akin to FL studio, geared toward making electronic music with a sequencer and such. Ardour is more akin to Cubase, geared towards recording music from instruments and arranging it. Both are highly capable and can easily do both. There are a number of videos or blogs explaining the diff check them out.