mvn: protocol supports version ranges starting with upcoming release 0.2.0. So, you may use something like mvn:commons-logging/commons-logging/[1.0,1.1) to find any version commons logging that is >= 1.0 and < 1.1. An idea of Didier Donsez.
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Pax Reflector reached a point where it is almost useful. It consists of 4 bundles (plan to create a uber-bundle later).

If you deploy those (pax-reflector-service, pax-reflector-servlet, pax-reflector-types, pax-reflector-html) together with Pax Web and Pax Web Extender - Whiteboard, then you have a html view into your running OSGi system.

You can also register additional Root Objects, to get a more direct line into the application.

The various "expose" attributes are not implemented yet, and future will bring a more attractive view.