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Copan Lite, for Windows desktop/netbook, is a functional and easy-to-use tool for computing and managing plane land survey coordinates. It does coordinate geometry (COGO) calculations, processes and adjusts raw field survey data, computes and adjusts map traverse data, performs map checks, calculates areas and perimeters, performs coordinate transformations, and imports/exports Ascii files. It's completely free!

Download Copan Lite 11.11

TRIANGULATION for AutoCAD
An application for AUTOCAD 2002-2010, which makes the triangulation of a set of POINT entities.

FlashDWG-DWG to Flash Converter 2005
FlashDWG is a dwg to flash converter, is the best way to share and publish AutoCAD DWG files on the web. FlashDWG is a dwg viewer without need of dwg viewer. demo file: http://www.autodwg.com/dwg-to-flash/flash2.htm

ProgeCAD DWG Viewer
Free 30-day trial of DWG drawing viewer, plotting, rendering, PDF output! High precision measuring, zoom. pan, all the features you need to review your AutoCAD drawings and output them to paper. Easy to use,

Copan for Windows
Copan for Windows enables you to calculate coordinate geometry (COGO), process field surveys, adjust map traverses, perform map/deed closure checks, calculate areas and perimeters, transform coordinates, and import/export Ascii files. It's free.

Vizup Reducer
Vizup Reducer is a professional tool for reducing and optimizing 3D models. With the help of Vizup, you can reach the optimal balance between the necessary detail level and the size of 3D models. It can also be effectively used for LOD generation.