- CAD Schroer GmbH
- Manufacturer and vendor of the MEDUSA4 parametric 2D CAD system, and several application specific extensions.
- Delta Software international
- Offer CAD Pro, home design and floor plan drafting software. Include product demo and online ordering.
- General CADD Products, Inc.
- About the General CADD Pro 2D Windows CAD program, with user forums and a downloadable manual.
- Malz++Kassner GmbH
- CAD 5 drafting software for Windows, with plug-ins to support DXF, DWG, HPGL/2 and SVG file formats.
- A 2D CAD system for Linux, Unix Systems, Mac OS X and Windows, released as Open Source for Unix based systems.
- A multi-purpose 2D CAD system for technical drawings, designs, and isometric visualizations. A free version is available for download.