The Jcptbr is a framework for object-relational mapping written in the Java language. This framework addresses the problem of incompatibility between object and relational models, without the necessity of using xml for the mapping.
Abacus Technologies Relational XQuery is an XQJ compatible XQuery processor that provides the ability to execute XQuery against both relational and XML data sources. Relational data can be transformed to any XML schema using XQuery's powerful features.
OpenL implements Java-like languages allowing to use code snippets placed in Excel, XML, or DB. OpenL is a foundation for OpenRules http://openrules.com. Maintained from http://openl.org