CAD

VizUp is an ad hoc polygon optimization and reduction system that enables you to reduce the number of polygons in a complex 3D model while retaining the quality and appearance of the original. The end result of the reduction is a 3D model with a well-balanced level of details and size, which is perfect for the use in virtual reality and real-time visualization systems. Supports Wavefront .OBJ, VRML 2.0/97 and StereoLitho (STL) file formats.  

AutoCAD to PDF is a batch converter that allows you to convert DWG to PDF, DXF to PDF without the need of AutoCAD.
Key Features:
1. Stand-alone utility - AutoCAD NOT required.
2. Convert DWG and DXF to vector PDF in batches.
3. Supports every version of DWG/DXF files (Supports R2.5/2.6, R9, R10, R12, R13, R14, R2000/2002, R2004/2005/2006, 2007 formats)
4. Very easy to use.  

DWG to JPG is a batch converter that allows you to convert DWG and DXF files to TIF (TIFF), JPG (JPEG), BMP, GIF, PNG, TGA, PCX, WMF and EMF without the need of AutoCAD.
Key Features:
1. AutoCAD NOT required.
2. Convert DWG and DXF to Image in batches.
3. Supports R2.5 to R2004/2005/2006/2007 formats.
4. Very easy to use.  

AutoCAD to PDF is a batch converter that allows you to convert DWG to PDF, DXF to PDF without the need of AutoCAD.
Key Features:
1. Convert AutoCAD DWG and DXF files to vector PDF in batches.
2. Stand-alone utility - AutoCAD NOT required.
3. Supports every version of DWG/DXF files (Supports R2.5/2.6, R9, R10, R12, R13, R14, R2000/2002, R2004/2005, ... formats)
4. Very easy to use.  

Defocus Dei adds realistic depth of field effect on any images computed with 3DS Max, Lightwave, Maya, Cinema 4D or any software which exports RLA/RPF files or its Z-Buffer as an image file. You simply define the depth of field interval, the blur amount before and after the focus point and the trick is done! You see immediately the results. Defocus Dei can also import an animation sequence and is able to animate the depth of field settings.  

Convert PDF to DWG. Import PDF into AutoCAD directly. Support PDF line,rectangle,ellipse,round rectangle,line segments,bezier segments,image and text etc. Convert PDF file to native DWG file. Import PDF file to AutoCAD directly. High quality, easy to use. Batch conversion. Support bezier segments. Support import text font style. Support import images.  

The Screen Protractor allows you to easily and quickly measure any angle on the screen to the nearest Degree or Radian. Work with any application to overlay maps, photos, designs or plans to measure angles with ease and with perfect accuracy. The Screen Protractor floats above any other application so you can measure anything on your screen.  

Amethyst DWG-2-PDF is a powerful Windows program that enables you to quickly and easily batch convert drawings to the Adobe Portable Document Format (PDF). Support for all versions of AutoCAD from 2.5 to 2007. Stand-alone utility - AutoCAD is NOT required. Stand-alone utility - Adobe Acrobat is NOT required. Includes a CAD viewer that allows you to view drawings and convert the currently displayed image.  

AutoCAD drawing file viewer and browser.The fastest and easiest-to-use DWG DXF DWF and BMP PSD JPEG TIFF PCX TGA PNG MNG GIF ... file viewer available for Windows 95/98/ME/NT/2000/XP! AcmeCADSee is two tools in one. A full-featured drawing viewer quickly displays your images in high quality. The drawing file browser lets you efficiently find and organize your drawing file.  

A shareware schematic editor for drawing and publishing electronic circuit diagrams; operating on Windows and Linux. An easy to use interface gives access to the major controls required for the current task in hand. Part attributes are shown for each part as they are selected. Has built in netlister and Bill of Materials generator. Layers allow advanced diagram generation for producing publishable schematics