You could have downloaded ODAFileConverter 20.8.0 for Mac from our software library for free. The program relates to Design & Photo Tools. The actual developer of this free Mac application is Open Design Alliance. Our built-in antivirus checked this Mac download and rated it as 100% safe.
From the developer:
ODA File Converter is an application designed for converting between different versions of DWG and DXF files. The program features a graphical interface and a command-line interface and accepts the following inputs: Source directory, Target directory, Input file filter, Output version/type, Recursive flag, and Audit flag.
You may want to check out more Mac applications, such as Colorize your photos, PNGenie or Smart Image Converter, which might be related to ODAFileConverter.