I’ve run FreeNAS as well, but I found there was something strange about the involvement of iXsystems I couldn’t put my finger on. It just didn’t seem professionally done on the web site, or the web GUI. It was 98% of the way there functionality-wise, but the GUI was just overwhelming. Personal preference I guess. Perhaps there are other themes, and being open source, I’m sure it can be configured to my liking. I am glad the project exists, all that said. I just don’t know if it’s something I can sell to a client. I am more than comfortable running it myself, and have done so; to catch network scan jobs for SMBv1 only MFPs, for instance.
Well, they almost had a way better GUI which I was using in beta, until the lead developer on that and iXsystems got into a big spat and he left, causing iXsystems to have to quickly slap together an upgrade to their old UI themselves, so...