Their "home" edition is open source and way more capable than anything I've seen for other formats. Saxonica, the company behind it, has been critical for the

Their "home" edition is open source and way more capable than anything I've seen for other formats. Saxonica, the company behind it, has been critical for the evolution of the XML ecosystem. I agree that lack of alternatives sucks but the breadth of options you refer to is backed by an army of open source volunteers.