Today its kinda many sites in one site, http://mrdoob.com has my interesting and useful projects hosted
MultiUser Sketchpad http://mrdoob.com/projects/multiuserpad/
Voxels [3-d design tool] http://mrdoob.com/projects/voxels/#A/YdacbShahhahheihiehffahhahhefhfaacUhUhUhUhUhUhUhUhUhUhUhUhUhUh
