CAD Version Converter 3.00 CAD Version Converter allows you to batch convert AutoCAD drawing files (DWG and DXF) between different versions without the need of AutoCAD. Supported versions range from AutoCAD R2.5 to AutoCAD 2005. CAD Version Converter is freeware!
nanoCAD 5.1.2524.2017 nanoCAD - easy-to-use free CAD software providing classic interface and native .dwg support. nanoCAD has been built to deliver design and project documentation regardless of the industry or enterprise.
LiteCAD - a powerful 2D CAD tool for end users and developers CAD tools are used by professionals in various industries: from interior designers and architects to engineers of different profiles. This software makes it a lot easier to create blueprints and plans for nearly anything you can think and saves countless hours of manual labor. If you work with two-dimensional plans and schemes a lot and need a convenient tool with an attractive price tag, LiteCAD would be the most natural choice