1)   PDF 2 DXF 2.0
Do you get PDF files with CAD drawings inside? Now you can extract these drawings and save it as DXF file and open it in you CAD application. PDF 2 DXF can open PDF files and save all vector objects as DXF file. Now it also converts text objects!

 2)   Paper/Picture 2 DXF 1.0
Convert CAD drawings from paper sheets or pictures into digital DXF files for editing in your CAD application. Scan a drawing or open a picture from your hard disk. The program recognizes the lines and saves the result as a DXF file.