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A library of generic CAD-related geometry calculations.

Tag replacement framework for graphics/p5-CAD-Drawing.

LibreCAD is a 2D CAD drawing application based on the community edition of QCad (www.qcad.org).

The primary intention of this module is to provide high-level operations for creating, loading, saving and manipulating vector graphics without having to be overly concerned about smile floormats. As the code has seen more use, it has also drifted into a general purpose geometry API.

Electric is a sophisticated electrical CAD system that can handle many forms of circuit design, including: Custom IC layout (ASICs) Schematic drawing Hardware description language specifications Electro-mechanical hybrid layout (snip, this is an edited version of Electric's homepage) Electric handles these file formats: CIF I/O GDS I/O VHDL I/O DXF I/O PostScript, HPGL, and QuickDraw output For real functionality, one should consider installing support simulation software such as cad/spice.

What Is QCad? QCad is a professional CAD System. With QCad you can easily construct and change drawings with ISO-texts and many other features and save them as DXF-files. These DXF-files are the interface to many CAD-systems such as AutoCAD (c) and many others. What is QCad not? QCad is no designer tool. That means you can not create any filled shapes nor any crazy freehand forms. Also you can not drag and drop the objects in the drawing with the mouse. If you find any bugs, send a report to bugs@qcad.org.

VARKON can be used as a traditional CAD-system with drafting, modelling and visualization if you want to but the real power of VARKON is in parametric modelling and CAD applications development. VARKON includes interactive parametric modelling in 2D or 3D but also the unique MBS programming language integrated in the graphical environment. The system was originally developed by a group at the University of Linkoping in Sweden during 1984-86 under the leadership of Dr. Johan Kjellander who was then the president of Microform AB. From 1986 the system was owned, marketed and further developed by Microform AB.

OpenSCAD is a software for creating 3D CAD objects. Unlike most free software for creating 3D models, it does not focus on the artistic aspects of 3D modelling but instead on the CAD aspects. Thus it is more suitable for creating 3D models of machine parts but perhaps not when creating computer-animated movies. OpenSCAD is not an interactive modeller. Instead it is something like a 3D-compiler that reads in a script file that describes the object and renders the 3D model from this script file. This gives designers full control over the modelling process and enables them to easily change any step in the modelling process or make designes that are defined by configurable parameters.

PythonCAD is a CAD package written, surprisingly enough, in Python. The PythonCAD project aims to produce a scriptable, open-source, easy to use CAD package for Linux, the various flavors of BSD Unix, commercial Unix, and other platforms to which someone who is interested ports the program. Work began on PythonCAD in July, 2002, and the first public release was on December 21, 2002.The firs developer team stop to develop PythonCad In the 2007.In May 2009 A new developer team star to develop Pythoncad since now.

Fritzing is an Electronic Design Automation software with a low entry barrier, suited for the needs of designers and artists. It uses the metaphor of the breadboard, so that it is easy to transfer your hardware sketch to the software. From there it is possible to create PCB layouts for turning it into a robust PCB yourself or by help of a manufacturer.