AutoCAD-like professional design at one tenth the cost. progeCAD can read edit view plot and convert DWG DXF etc. Download includes 11000 AutoCAD blocks. Supports PDF, SVG XML, Google Earth KML, IntelliCAD AutoLISP & DIESEL, ACIS 3D Solids modeling.

Axcad is a 100% DWG compatible and AutoCAD command compatible CAD, is another affordable choice for AutoCAD users. Using dwg as native file format, supports AutoCAD 2006 dwg format (from R2.6~2006), supports LISP, ADS development

SgCore is a new powerful engine for 3D programmers to effectively create and manipulate the most elaborate 3D and 2D objects. It combines excellent 3D modeling functionality with a user-friendly interface and professional 24-hour customer support.

VeryPDF AutoCAD DWG and DXF To PDF Converter allows you convert DWG to PDF, DXF to PDF, AutoCAD to PDF, CAD Drawing to PDF directly without need of AutoCAD, it converts DWG and DXF files into vector PDF files, quick and easily, free download.

InnerSoft CAD is a add-on for AutoCAD for enquiry, importing and exporting data.

Vectorizer for CAD/CAM/GIS professionals, designers and illustrators. Converts, digitizes and refines architect, mechan, tech drawing, maps, math graphs, graphics for books and journals. A Raster to Vector SDK, ActiveX and Com Component is available.

General CADD Indexer Beta 1.0.11 (Index Text Objects Inside DWG, DXF, DGN, GXD, GCD and VCD Files) Updated 7-7-2006

PDF to AutoCAD Converter is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.