he Saxon-EE product includes within a single package:
A schema-aware XSLT 2.0 processor
A schema-aware XQuery 1.0 processor
An XPath processor that can be called from Java applications
A free-standing XML Schema validator.
Saxon is written in 100% Java and therefore runs on any popular platform
AJAXSLT is an implementation of XSL-T in JavaScript, intended for use in fat web pages, which are nowadays referred to as AJAX applications. Because XSL-T uses XPath, it is also an implementation of XPath that can be used independently of XSL-T.