TerrainSectionsPro2X
		With this FREE AutoCAD add-on you can create terrain sections from geodetic points(heights) in the drawing. You can also specify position of pipe(cable, road, ...)... http://www.cadhedral.com/terrainsectionspro2x.zip - 69KB - Download - Screenshot

		MathShapesPro2X
		With this AutoCAD add-on you can create mathematical curves. Curves can be defined as explicit, parametric or polar functions. Function's formula can also be changed... http://www.cadhedral.com/mshapespro2x.zip - 172KB - Download - Screenshot

		Internal CADviewer
		INTERNAL CADVIEWER is FREE DWG viewer for AutoCAD. With this AutoCAD add-on you can browse, view or open drawings stored on your computer or CD-ROM(e.g. DWG cat... http://www.cadhedral.com/intcadviewer.zip - 326KB - Download - Screenshot

		NewCADtools2
		NewCADtools2 is a package of 51 productivity tools and commands for AutoCAD and derived platforms. It contains 5 toolbars(MODIFY,MODIFYII,TEXT TOOLS,MISCELLANEOUS,SHAPES). There... http://www.cadhedral.com/newcadtools2.zip - 504KB - Download - Screenshot

		AutoDWG DWG to PDF Converter
		AutoDWG DWG to PDF Converter let you batch convert DWG TO PDF, DXF TO PDF without need of AutoCAD. Features includes: 1. Create a single merged PDF file from several... http://www.autodwg.com/PDF/DWG2PDF.exe - 3.71MB - Download - Screenshot

		Auto DWG to PDF Converter
		AutoDWG DWG to PDF Converter let you batch convert DWG TO PDF, DXF TO PDF without need of AutoCAD. Features includes: 1. Create a single merged PDF file from several... http://www.autodwg.com/PDF/DWG2PDF.exe - 3.71MB - Download - Screenshot

		CAD OCX
		An ActiveX Control doing wonderful things in AutoCAD like drawing lines, circles, arcs, rectangles, 3D Spheres, 3D Cones, etc. with ease! Also, calculate the distance... http://ic.net/~kusluski/cad.exe - 95KB - Download - Screenshot

		AHatch Pro
		In many fields (eg. Civil Engeneering (USCS, DIN 4023, ...), Architecture, Geosciences, Cartography, ...) complex hatch patterns are needed for a clear graphical... http://www.fell-kernbach.de/download - 820KB - Download - Screenshot

		DWG DXF Converter
		Active DWG DXF Converter let you batch convert DWG Files into DXF files and vice versa without AutoCAD. It is also a AutoCAD drawing file version converter, supports... http://dwgsoft.com/dwg_dxf_converter/dwg2dxf.exe - 1.14MB - Download - Screenshot

		DWG Miner DLL
		DWG Miner DLL is a powerful ActiveX component for quickly extracting data from AutoCAD drawing (DWG) files. DWG Miner DLL contains many functions for updating block... http://ic.net/~kusluski/dwgminer.exe - 4.35MB - Download - Screenshot - Buy It