Java-sunxacml is a project mainly written in ..., it's free.
Sun's XACML Implementation is an access control policy evaluation engine - Arch pkg
Sun's XACML Implementation is an access control policy evaluation engine written entirely in the Java(tm) programming language. It supports XACML 1.x and 2.0 core features, and provides a number of powerful extensions and extensibility points.
Project
Sourceforge
usr/share/license/sunxacml/license.txt
usr/share/java/sunxacml/sunxacml.jar
usr/share/java/sunxacml/support.jar