Did not try LiveMesh, but there is one notable difference: AeroFS has Linux support (which is why I did not bother with LiveMesh) Also, LiveMesh looks and feel

Did not try LiveMesh, but there is one notable difference: AeroFS has Linux support (which is why I did not bother with LiveMesh) Also, LiveMesh looks and feels a bit alien GUI-wise, while AeroFS feels more native (although it's not quite there yet either, but gradually improving).