CADMAPPER - Instant CAD files for any location on earth
Floorplanner - Floor plan interior design software. Design your house, home, room, apartment, kitchen, bathroom, bedroom, office or classroom online for free or sell real estate better with interactive 2D and 3D floorplans.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Sweet Home 3D - Sweet Home 3D is a free interior design application that helps to draw the plan of house, arrange furniture on it and visit the results in 3D.
DWGDownload - DWGDownload is an online website that comes with a comprehensive collection of free dwg, cad blocks, and AutoCAD dwg detail drawings.
SketchUp - 3D for Everyone