Blender - Blender is the open source, cross platform suite of tools for 3D creation.
CADMAPPER - Instant CAD files for any location on earth
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.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Opun Planner - Opun Planner is a free and web based design planner for all kind of interior designing requirements.
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.