Erica is a project mainly written in Java, it's free.
Equinox Restlet Integration - Component Assembly
THIS PROJECT IS OBSOLETE. If you are interested in using Restlet with OSGi services and/or Eclipse extension points, please refer to http://eclipselabs.org/p/restlet-integration-with-equinox/
This project provides some eclipse equinox extension points to assemble restlet based applications. It is a by-product of the restlet/equinox tutorial on http://blog.wolfgang-werner.net/
erica is licensed under the Eclipse Public License v1.0.