[Fleur] Alain Couthures, Fleur,

[XQuery] Robie, Jonathan, Michael Dyck, (eds.), XQuery 3.1: An XML Query Language, W3C, 2017,

[XPath functions] Michael Kay, (ed.), XPath and XQuery functions and operators 3.1, W3C, 2017,

[xquf] Snelson, John and Jim Melton, (eds.), XQuery Update Facility 3.0, W3C, 2015,

[XF11] John M. Boyer, (ed.), XForms 1.1, W3C, 2009,

[XF2] E. Bruchez, et al., (eds.), XForms 2.0, W3C, 2018,

[Pemberton 2013] Pemberton, Steven. Invisible XML. Presented at Balisage: The Markup Conference 2013, Montréal, Canada, August 6 - 9, 2013. In Proceedings of Balisage: The Markup Conference 2013. Balisage Series on Markup Technologies, vol. 10 (2013). doi:doi:10.4242/BalisageVol10.Pemberton01.

[BaseX] BaseX - an open source XML database. Homepage.

[OFX] Open Financial Exchange. Downloads.

[ODK] Open Data Kit. XLSForm Online.