A lite and fast dwg viewer with ACDSee-like interface, browse , view and print DWG, DXF files. Supports AutoCAD 2005 drawing format.

PDF to DWG Converter
It 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.

RasterVect
Vectorizer. Transforms raster images into a vector format. Raster drawing can be imported by scanning original paper drawings. The target vector formats are understood by most common CAD programs that use vector graphics (AutoCAD, Corel Draw etc.).

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

DICOM Dumper
DICOM Dumper is a free and simple Java-based utility for decoding and dumping the content (Data Elements of the Data Set) of DICOM 3.0-compliant files. Since it is Java-based, it runs on every OS for which a Java Runtime Environment is available.

Copan Lite
Copan Lite 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.