Autodesk FBX SDK
Autodesk FBX SDK 2014.2 for Mac is free to download from our software library. This free software for Mac OS X was originally produced by Autodesk. Autodesk FBX SDK for Mac is categorized as Developer Tools.
From the developer:
Autodesk FBX SDK ... Autodesk FBX technology provides a free platform-independent 3D authoring and interchange format that provides access to 3D content from most 3D vendors and platforms. The FBX file format supports all major 3D data elements, as well as 2D, audio and video media elements.
This C++ software development kit (SDK) that lets you import and export scenes in the .fbx file format.
You may want to check out more software for Mac, such as FbxConverter, Autodesk Inventor Fusion or Autodesk 360, which might be similar to Autodesk FBX SDK.