3 links
AutoCAD DXF Documentation
usa.autodesk.com
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 …
DWG DXF Convert
fpsols.com
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…
DXF to OpenGL
bearcave.com
This program reads a 3D graphics image file, in the DXF data format, and displays it using OpenGL.