Our primary goal is to create a great, full featured, 3D CAD environment for Blender for use by engineers, designers, drafters, architects, etc. based on the OpenCascade toolkit.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.