SAI360 - GRC Platforms
FreeCAD - An open-source parametric 3D modeler
Aptible - Aptible is a secure, private cloud deployment platform built to automate HIPAA compliance.
SketchUp - 3D for Everyone
Fastpath Assure - Fastpath Assure is a cloud GRC platform that integrates with various ERP systems
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.