nanoCAD

nanoCAD - easy-to-use free CAD software delivering great user experience by providing classic interface and native .dwg support. Being ultimate in 2D design tools, nanoCAD has been built to deliver design and project documentation regardless of the industry or enterprise. And above all, nanoCAD is free to use and share. At home and in business.

From Nanosoft:

nanoCAD - easy-to-use free CAD software delivering great user experience by providing classic interface and native .dwg support.

nanoCAD 3.5 is licensed as Freeware for the Windows operating system / platform without restrictions. nanoCAD is available to all software users as a free download (Freeware).

nanoCAD Virus and Malware Tests:

For security reasons, you should also check out the nanoCAD virus and malware test that has been uploaded; additional nanoCAD screenshots may be available, too.