CAD

DraftSight

Freeware DraftSight

DraftSight is a free 2D CAD system, which requires only a registration. The application provides users with nearly the same functionality as AutoCAD. It is fully compatible with all versions of the format .DWG. The software package has a friendly and intuitive interface. Freeware has everything you need. There is a distribution under Windows, Mac OSX, Linux Ubuntu, FedoraR, SuseR, and MandrivaR. read more...

LibreCAD

Freeware LibreCAD

LibreCAD is free CAD system for Windows, Mac OS X and Linux. LibreCAD supports only 2D drawings. The program includes a large number of tools: circle, lines, arcs, polygons. In addition, the program has a large number of modifiers. Interface is standard: workspace, the layer and toolbar panels. LibreCAD is useful free CAD alternative. read more...

FreeCAD

Freeware FreeCAD

FreeCAD is free multi-platform CAD software to create 3D models. FreeCAD can be used in the technical design, construction products, as well as in other areas relating to the implementation of engineering work. The program is good free alternative to create models for 3D printers as it supports STL format. Besides its own program FreeCAD formats are compatible with the following formats: DXF, SVG (Scalable Vector Graphics), STEP, IGES, STL (STereoLithography), OBJ (Wavefront), DAE (Collada), SCAD (OpenSCAD), IV (Inventor), and IFC. The application is a good free alternative to AutoCAD. read more...

BRL-CAD

Freeware BRL-CAD

BRL-CAD is a cross-platform open source constructive solid geometry (CSG) modeling computer-aided design (CAD). The program helps to create three-dimensional objects using an interactive geometry editor. Freeware also supports the rendering benchmark. It should be noted that it takes some time to be able to fully understand it. read more...

gCAD3D

Freeware gCAD3D

gCAD3D is free CAD software. It supports such file formats as Step, Iges, VRML, DXF, and SVG. With this program you can see the objects designed in 3D. Freeware supports plug-ins which extend its functionality. read more...

QCAD

Freeware QCAD

QCAD is a free program, its main purpose is to create a complex two-dimensional architectural plans and engineering drawings. This freeware has a collection of items, including more than 4,700 items for CAD. The disadvantage of the program is the lack of support for the development of DWG-files, it only works with the DXF format. The application allows users to operate such drawing elements as arcs, ellipses, circles, dots, lines, polygons, etc. QCAD provides the user with all the necessary functionality to change and build draft. There are 35 fonts for CAD. To control the drafting process there is command line, located below the main window. The program is able to print on a scale to make a difference in the background of free analogues. Utility has an intuitive interface and low system requirements. read more...

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