AutoCAD DXF Documentation
Technical information about DXF from its creators Autodesk. This DXF Reference is available for online viewing, or it can be downloaded as a WinHelp file, or a zipped set of HTML files.
DWG DXF Convert
An AutoCAD DWG/DXF bi-directional translator built using the powerful DWGDXFLib library. It converts an AutoCAD DWG file into an AutoCAD DXF file and vice-versa without the need of AutoCAD. DWG DXF Convert also supports batch conversions of multiple DWG or DXF files.
DXF to OpenGL
This program reads a 3D graphics image file, in the DXF data format, and displays it using OpenGL.
DXF2rad
A converter to translate 3D DXF data to the Radiance scene file format, available for multiple platforms.