Onshape

vs

SolidWorks

LibreCAD is a free and open-source 2D CAD software used 2D modeling. With LibreCAD, users can model 2D objects in a neat and intuitive GUI based on Qt5. The software is available in 30+ languages and works cross-platform for macOS, Linux and Windows.

FreeCAD is a highly customizable, scriptable and extensible computer aided design software software for the, MacOS, Linux and Windows operating systems. With FreeCad you can model and design real-life objects in 3D through parametric modeling where all 3D objects you design are controlled by parameters. FreeCAD is released as free and open source software under LGPv2+ license, and can be used for commercial and hobby projects alike.

SketchUp is a 3D modeling and design software used for architectural, interior design, landscape architecture, mechanical engineering, film and video game design. The software is simple to learn yet robust enough to empower creators to manifest their ideas. SketchUp is provided as a free software and released alongside SketchUp Pro, the premium version of the software.

Blender is a free and open-source 3D model software released under the GNU General Public License. The software can be used for 3D modeling, 3D animation, UV unwrapping, texturing, rigging, skinning, rendering, particle generation, water simulation and much more.

Autodesk AutoCAD is a commercial CAD (computer-aided design) and drafting software developed by Autodesk Inc. The software is used to create blueprints for everything from build and bridges to computer ships and hardware parts. AutoCAD is also used extensively in the gaming industry to created 2D and 3D models. Autodesk provides students, educators, and institutions access to AutoCAD, in addition to extra learning tools and resources as education.

Shapr3D is the leading mobile 3D design and CAD application. The application can be used to model CAD files on-the-go with your iPad and Apple Pencil or stationary in front on your macOS-powered laptop or desktop.