OS – Win 7:
http://cic.nist.gov/vrml/cosmoplayer.html

Other OS systems:
http://www.web3d.org/x3d/content/examples/X3dResources.html

http://www.web3d.org/x3d/vrml/tools/viewers_and_browsers/

http://objectmix.com/vrml/382337-viewer-mac-os-x.html