Blender - Blender is the open source, cross platform suite of tools for 3D creation.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Sculptris - Sculptris: Enter a world of digital art without barriers.
CADMAPPER - Instant CAD files for any location on earth
ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.
Cadbull - Cadbull is a website that comes with an advanced collection of CAD blocks and DWG design, facilitating architects and designers to get done with their projects efficiently.