FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License). FreeCAD is aimed directly at mechanical engineering and product design but also fits in a wider range of uses around engineering, such as architecture or other...

LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.

Leading CAD software known for its robust 2D and 3D modeling capabilities, facilitating intricate designs in architecture, engineering, and construction across Mac, PC, and web. Features include a dynamic API for customization, cloud access, and subscription-based service for continual updates and collaborat...

Leading 3D CAD software for design, analysis, and product data management, developed by Dassault Systèmes. Enhances productivity, fosters collaboration, and accelerates time to market. Features include parametric modeling, photorealistic rendering, and strong PLM process support.

BRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for...

BricsCAD the first all-in-one CAD design solution in .dwg that answers all your needs; 2D drafting, 3D modeling, mechanical design, and BIM. BricsCAD is a cost-effective, innovative, and familiar CAD solution.

ArchiCAD offers computer aided solutions for handling all common aspects of aesthetics and engineering during the whole design process of the built environment — buildings, interiors, urban areas, etc.

View, capture, personalize, and print 3D models. Download many kinds of 3D files and edit them using the 3D modeling space. Take a picture with your webcam and make it 3D.

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:

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.

CMS IntelliCAD® is a full-featured Compatible CAD Software. CMS IntelliCAD also offers a full suite of 2D and 3D AutoCAD® software compatible drawing tools! It is the smartest choice for anyone who creates or communicates using CAD drawings.