SketchUp - 3D for Everyone
CADMAPPER - Instant CAD files for any location on earth
SmartDraw - Instead of starting with a blank screen, SmartDraw gives you the exact template you need.
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.
SolidWorks eDrawings - SolidWorks offers complete 3D software tools that are easy to learn and use, and work together to help you design products better.
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.