Online Geometry Viewer
Online Geometry Viewer is an online web app, where users can upload, view and share 3D CAD models. They can also host these models online, can like (love) or comment on them. In a nutshell it can be looked at as a social blogging platform for 3D models.
OGV started as a Google_Summer_of_Code\GSoC project in 2013 by Harmanpreet Singh.