ODA Viewer

For rendering and testing

ODA Viewer incorporates the power and flexibility of ODA into a single
application that can visualize all ODA supported file formats and
illustrate other visualize-related features like visual styles and
markup.

ODA Drawings Explorer

For rendering and testing

ODA Drawings Explorer incorporates the power and flexibility of ODA
into a single application that can render both .dwg files and .dgn
files using a common command interface for both formats.