Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License. It can be used for modeling, UV unwrapping, texturing, rigging, water...

FreeCAD is a general purpose Open Source 3D CAD/MCAD/CAx/CAE/PLM modeler, aimed directly at mechanical engineering and product design but also fits in a wider range of uses around engineering, such as...

KiCad is an open source software suite for electronic design automation (EDA) - designing schematics of electronic circuits and printed circuit boards (PCB). KiCad is developed by Jean-Pierre Charras. And...

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...

LibreCAD (previously CADuntu) is a 2D CAD drawing tool based on the community edition of QCad. LibreCAD has been re-structured and ported to qt4 and works natively cross platform between OSX, Windows and...

K-3D is free-as-in-freedom 3D modeling and animation software. It features a plugin-oriented procedural engine for all of its content, making K-3D a very versatile and powerful package. K-3D excels at...

Archimedes is a free and open source CAD (Computer Aided Design) software. It is a robust system built over Eclipse’s Rich Client Java Platform fully based on plug ins. This means it is easily extensible but...

QCad Community Edition is an open source edition of RibbonSoft's CAD system. QCad is a 2D CAD application that aims at being simple enough for anyone to use - even users with no previous CAD experience....

Konstruktor is a full-featured LEGO CAD for Linux.

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...

OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and Apples OS X. Unlike most free software for creating 3D models (such as the famous...

Gmsh is a 3D finite element grid generator with a build-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced...

a free CAD system and high level development tool for Engineering, Computer Aided Design and Product Modeling applications originally developed by Microform AB in Sweden. Now maintained and further...

Free STP Viewer - free software that lets you view 3D STEP files (.stp, .step file format).

CADEMIA is a modern CAD system with a full functionality to create dimensional accurate technical drawings and documents. Existing software tools for the planning process have severe limitations: They are...

The Electric VLSI Design System is an open-source Electronic Design Automation (EDA) system that can handle many forms of circuit design, including: Custom IC layout Schematic Capture (digital and...

Open CASCADE Technology is a software development platform freely available in open source. It includes components for 3D surface and solid modeling, visualization, data exchange and rapid application...

A complete 3D modeling application for computing aided drafting in three dimensions. AutoQ3D can be used by anyone who wants an easy way to imagine, create, and publish in 3D. It is ideal for you to use as...

Browser based 3D solid CAD editor, Openscad style, with a Coffeescript based syntax, using only Coffeescript + Javascript

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...

Easy to use 2D Computer Aided Drafting and Modelling application. Features: import/export of .dxf files, Ellipse, Polyline, SPLINE, BSPLINE, possibility to glue external programs via shell commands, CAM Module...