The reference to Moersch Eco is very helpful. I wrote to Freestyle to see if they could sell me some (currently they aren’t handling it) and they think they can special order it from Germany. If anyone else is also interested in it I’d suggest you email them.
By the way, here’s the response I received from them when I asked about liquid developers similar to Xtol:
“Unfortunately, there aren't really any liquid developers that looks like XTOL. Both XTOL and EcoPro/LegacyPro film developers are ascorbic acid type of developers. Once ascorbic acid comes in contact with water, it deteriorates faster than other film developer ingredient.“
So thanks again for suggesting Moersch Eco.