As AR components reference is made to ComposAR which is a crossplatform 3D content authoring environment geared towards development of interactive AR environments for arts and media designers. Watch the ComposAR video here.
Availability of the components: Reference contact is Mark Billinghurst of Human Interface Technology Laboratory New Zealand.
Notes: The component requires ARToolKit, osgART and BuildAR: ARTtoolkit is available under the terms of the GPL from here and for commercial projects as ARToolKit Pro is licensed by ARToolworks Inc.; osgART 2.x is available under the terms of the GPL 3 from here and for commercial projects is licensed by ARToolworks Inc. ; BuildAR is available here.