I'm a very happy paying customer of Enchant. We tested Intercom (much broader scope than we wanted), Helpscout (among other things, no Markdown support), and a

I'm a very happy paying customer of Enchant. We tested Intercom (much broader scope than we wanted), Helpscout (among other things, no Markdown support), and a handful of other tools. Enchant does what we need, nothing we don't, and stays out of the way.