A Java implementation of XProc: An XML Pipeline Language
C++11 serialization library
Flatten XML into CSV to suit your mood
Digitalization and Reproduction of the Bible as Free Software
XDBM is an XQuery implementation on the W3C's EXI binary XML format.
Create structured binary files from XML data.
Cross-platform C++ libraries with a network/internet focus.
Command-line program for processing Efficient XML Interchange (EXI)