Paid software is more user friendly. For non B2B sales usually useability is much more important than reliability. Also note that open source developers like a

Paid software is more user friendly. For non B2B sales usually useability is much more important than reliability. Also note that open source developers like all humans cannot live without getting paid. This means that most open source developers are usually also closed source developers. Some of you though are lucky enough to get paid to develop open source but that's rare to get paid to develop something that's given away for free.