Florent Georges has released XTS, a set of open source stylesheets that forms a unit testing framework for XSLT 2 and XQuery.
Abel Braaksma has launched X*X*X Wiki, a wiki for XSLT, XPath and XQuery. There's very little useful content there now, but it can be added.
Oracle has released Berkeley DB XML 2.3.10, an open source "application-specific, embedded data manager for native XML data" based on Berkeley DB. It supports the recent proposed recommendations of XQuery 1.0 and XPath 2.0. It includes C++, Java, Perl, Python, TCL and PHP APIs. According to the announcement, This release of Berkeley DB XML fixes bugs. Berkeley DB XML is published under a custom, viral license that is compatible with most major open source licenses.
