public void execute(final Workspace workspace, final View view, final Location at) {
final List<Object> servicePojos = IsisContext.getServices();
final List<ObjectAdapter> serviceAdapters = Lists.newArrayList();
for (final Object servicePojo : servicePojos) {
final AdapterManager adapterManager = getPersistenceSession().getAdapterManager();
serviceAdapters.add(adapterManager.adapterFor(servicePojo));
}
final ObjectSpecification spec = getSpecificationLoader().loadSpecification(Object.class);
final FreeStandingList collection = new FreeStandingList(spec, serviceAdapters);
addWindowFor(getAdapterManager().adapterFor(collection), new Placement(at));
}