The Saxon XSLT and XQuery processor, developed by Saxonica
Sourceforge is the home for open-source versions of the famous Saxon XSLT 2.0 and XQuery processor. See also http://www.saxonica.com for Saxonica's home page, and http://saxonica.plan.io for bug trackers and discussion forums. Note: Saxon-CE (Client Edition, for use in the browser) can be found at https://github.com/Saxonica/Saxon-CE
Logic Programming and Deductive Database system (Tabled Prolog) for Unix and Windows.