Developers of data interoperability software, supporting many data formats used in mechanical CAD applications.

Theorem Solutions offer Direct Database converters between the majority of mechanical 3D CAD design systems. The software supports conversion of all forms of Geometry, including solid models and assembly structure.

Cadlink provides CAD data translators and viewers for a variety of proprietary as well as open file formats.

Aide PDF to DXF Converter converts Adobe PDF to AutoCAD DXF/DWG files for editing within CAD applications.

Deep Exploration is a conversion tool for translating and rendering many 2D and 3D formats for online publication.

Viewer and converter of CAD formats including IGES, STEP, STL, VRML, Open CASCADE BRep, and other formats.

Online service for CAD and CAM file conversion, with native to native file translation.

ACE Translator conversion tool translates between the most common EDA formats (GDS-II, DXF, Gerber, OASIS, IGES, Postscript, HPGL, TIFF, BMP, JPEG, PNG) and includes a built-in Viewer to verify results. For Windows, Linux, and Solaris.

A CAD/CAM data translation service operating over the internet, supporting many common file formats.

iges2step is a freeware application for viewing IGES V5.3 and STEP AP203/AP214/AP209 files under Windows XP/2000/NT.