FreeCAD - An open-source parametric 3D modeler
Studio Designer - Studio Designer is totally different from the traditional designing and home decorating programs.
SketchUp - 3D for Everyone
Minutesmatter - One of the greatest advantages of using this interior decorating and designing software is that it allows its users to get the curated selection of features and functions.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
Staples Interior Design Software - Staples Interior Design Software is multifunctional designing software that is used for interior designing, overall home designing and landscaping designing purpose as well.