lxml - the most feature-rich and easy-to-use library for processing XML and HTML in the Python language
Advanced graphical XML editor, code generator and toolkit for complying with W3C standards.
Free tutorials and reference manuals with examples for SIP, Pay per Click, Accounting, Sqoop,ITIL, Jackson, Security Testing, Awk, JDB, Hadoop, Hive, HBase, XStream, Java8,...
Tools to allow simple testing of xpath expressions online on live XML content
BaseX is a very light-weight, high-performance and scalable XML Database engine and XPath/XQuery Processor with Full Text and Update extensions.