Onshape is a professional CAD system – Parts, Assemblies, Drawings – with version control and collaboration built in. Each Onshape plan (Free, Professional & Enterprise) gives you all of the CAD and data management functionality with no time limit. - Onshape is the first full-cloud 3D CAD system. It runs in a web browser and on any mobile device. - Onshape uses cloud-native Documents, not files.