web3d
http://sumea.com/6_0/skull/index.html
http://sumea.com/6_0/popshade/index.html
http://sumea.com/6_0/turtle/index.html
QTVR
http://www.mediasculp.com/QTVR/pan3.html
http://www.users.dircon.co.uk/~cape/pages/patekvv.htm
http://www.users.dircon.co.uk/~cape/pages/linhofvr.htm