GstarCAD is well-known alternative CAD software of high compatibility with ACAD. With 27 years of continuous improvement and innovation, today GstarCAD is far ahead in performance, stability and becomes leading CAD software in the world.




ANSYS SpaceClaim is described as 'SpaceClaim Engineer is the world’s fastest and most innovative 3D direct modeler. SpaceClaim Engineer brings 3D solid modeling to the desktops of engineers and analysts who work in 3D, with a simplicity and low TCO (Total Cost of Ownership) never seen before in CAD' and is a CAD software in the photos & graphics category. There are more than 50 alternatives to ANSYS SpaceClaim for a variety of platforms, including Windows, Mac, Linux, Web-based and iPad apps. The best ANSYS SpaceClaim alternative is FreeCAD, which is both free and Open Source. Other great apps like ANSYS SpaceClaim are Autodesk AutoCAD, SOLIDWORKS, Dune 3D and BRL-CAD.
GstarCAD is well-known alternative CAD software of high compatibility with ACAD. With 27 years of continuous improvement and innovation, today GstarCAD is far ahead in performance, stability and becomes leading CAD software in the world.




MakerSCAD is a web-based parametric 3D design software with a block-based programming language to create objects for 3D printing, animations, games and websites.



DesignSpark Mechanical is a 3D modeling software reported to be easy to use so that all engineers will be able to create and share models.






nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability. It is totally free, for business, professional, or personal purposes. It is fast, lightweight, capable, and , unlike most free CAD programs, completely uncrippled. nanoCAD includes:


SALOME can be used as standalone application for generation of CAD models, their preparation for numerical calculations and post-processing of the calculation results. SALOME can also be used as a platform for integration of the external third-party numerical codes to produce a...



For more than 20 years being always at the forefront of 3D, Open Cascade has gained considerable expertise in geometric modeling. In order to demonstrate software developing capabilities the company decided to come up with a sample of parametric CAD modeler — CAD Builder.
KOMPAS-3D is for creating three-dimensional associative models for individual parts and assembly's containing both original and standardized elements. The parametric technology allows quickly obtaining models for typical products basing on a once designed prototype.




Create, edit, view, and print 2D CAD drawings using the file formats: dxf, dwg, shp ;Download-Size only 3.10 MB; language: only english;

The worlds most affordable 3D CAD, CAM, FEA, Rendering, and Document Management software. Professional alternative to SolidWorks, Inventor, Pro/ENGINEER, and AutoCAD.
HeeksCAD is a free, open source, CAD application - Imports solid models from STEP and IGES files. Draws construction geometry and lines and arcs. Creates new primitive solids, or make solids by extruding a sketch or by making a lofted solid between sketches.



ActCAD is a 2D & 3D CAD software with the functionality of the industry leaders. We offer two product options:




TurboCAD is a CAD software suite, with several different feature levels. It is a competitor to the likes of Autodesk's AutoCAD program, and is used by engineers, architects and hobbyists.

In fact Designspark Mechanical is a free version of ANSYS SpaceClaim.