(commercial) A professional CAD/CAM system for engraving, LASER cutting and many other uses. hot
Dia is a gtk+ based diagram creation program released under the GPL license. Dia is designed to be much like the commercial Windows program 'Visio'. It can be used to draw many different kinds of diagrams. It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and simple circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of SVG to draw the shape. Read more hot
QCad is an application for computer aided drafting in two dimensions. With QCad you can create technical drawings such as plans for buildings, interiors or mechanical parts. QCad works under Linux, Unix Systems, Mac OS X and Windows. The source code of QCad is released under the GPL (Open Source). Read more hot
2D CAD Parts Generator
2D CAD Parts Generator can generate view of parts according CSN and DIN standards
in different output formats, and then insert it in different CAD systems.
(commercial) ADINA provides state-of-the-art capabilities for the stress analysis of solids (2D and 3D) and structures in statics and dynamics. The analysis can be linear or highly nonlinear, including effects of material nonlinearities, large deformations and contact conditions.
Alliance is a complete set of free CAD tools and portable libraries for VLSI design. It includes a VHDL compiler and simulator, logic synthesis tools, and automatic place and route tools. A complete set of portable CMOS libraries is provided.
(commercial) An architectural CAD system for the Linux operating system.
(commercial) ARES offers all the productive tools and smart features for 2D drafting and design that you expect at a reasonable price.
ASITIC is a tool that aids the RF circuit designer to optimize and model spiral inductors, transformers, capacitors, and substrate coupling. The conductive substrate plays an integral part in determining the quality factor and self-resonance frequency of monolothic passive devices. ASITIC calculations include the electrically induced losses and coupling as well as the magnetically induced eddy current losses. Skin effect and proxmity effects, or eddy currents in the matallization, are also included.
(commercial) Bartels AutoEngineer (BAE) is an EDA/CAE/CAD/CAM software system for schematic capture, printed ciruit board design and IC/ASIC design. Bartels AutoEngineer® software runs under Microsoft Windows, Linux and various X11/Unix systems.
bocad - 3D
(commercial) An independent CAD system without any limits concerning the number of components and connection means. The system that has been continuously developed since 1980 covers today the whole spectrum of individual and standard construction in the range of steel, glass, roof&wall and timber.
BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray tracing support for rendering and geometric analysis, network distributed framebuffer support, image and signal-processing tools. Read more
A CAD/CAM/CAQ software product in German.
(commercial) CADSM is a basic 3D CAD with advanced Motion Simulation capabilities. It is suitable for anyone interested in learning 3D CAD and Motion Simulation inexpensively before using more sophisticated packages. Its motion simulation capabilities are comparable to the best and can provide accurate answers to engineers and scientists in diverse fields.
CADTools is a modern 3D computer-aided design (CAD) and manufacturing (CAM) toolkit. The aim of the project is to develop an easy-to-use parametric, feature-based solid modeler with a generic geometrical constraint solver sufficiently robust for real-time mechanical simulations over complex assemblies.
A new 2D + 3D CAD software, based on GTK. In addition to typical CAD functions, it offers special elements and techniques for architectural design.
DraftSight is a drafting automation software tool. A coordindate system determines each point of a drawing surface or entity unambiguously. DraftSight uses the Cartesian coordinate system consisting of three coordinate axes. Axes are arranged orthogonally, crossing at the origin.
Fandango is planned to be a full featured CAD program. It has a C++ core extensible by scripts. It still doesn't do much CAD stuff. Currently the memory core for entity management is ready, scripting works wonderfully thanks to the ease of embedding and extending of Python. A KDE+XML user interface is now in place, controlling the keyboard and mouse.
FreeCAD is a parametric 3D modeler. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters. FreeCAD is open source (LGPL license) and completely modular, allowing for very advanced extension and customization. Read more
A basic 3D CAD with advanced Motion Simulation capabilities. It is suitable for anyone interested in learning 3D CAD and Motion Simulation for free before using more sophisticated packages. Educators, students and new engineers will find it ideal for the teaching and learning of geometry, kinematics, dynamics, vibrations, mechanisms, linkages, cams, machine design, and physics.
A discontinued project to create a simple 2D mechanical cad system.
gCAD3D features an integrated 3D-OpenGL-viewer, program interpreter for geometry and NC-commands in 3D, integrated NC-processor and a programming interface for user programs.
gnu-cad-cam will be a integrated cad/cam package.
HeeksCNC is a CAM (Computer Aided Manufacturing) add-on module for HeeksCAD. The user can add machining operations. These can then be output to NC code.
KediCAD is a 2D Cad software for Linux.
LeoCAD is a CAD program that uses bricks similar to those found in many toys (but they don't represent any particular brand). Currently it has a library of more than 1000 different pieces, most of them were created by James Jessiman.
LibreCAD is an application for computer aided design (CAD) in two dimensions (2D). With LibreCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams. Read more
A computer-aided design (CAD) program geared specifically to aid the woodworker in designing custom furniture and other hand-made objects. It supports both two-dimensional and three-dimensional representations of the design with full parametric interrelations.
(commercial) LinkCAD is an All-in-one converter for AutoCAD DXF, Gerber RS274X, Calma GDS-II, CIF, PostScript, IE3D, TLC and more.
LX-Viewer is a program that will allow you to open, view, print and convert DWG or DXF files, typically used in AutoCAD related technical drafting. The most important feature is that LX-Viewer allows you to manipulate your DWG data on the Linux platform. You may zoom and pan the drawing as you would in AutoCAD. Files can be saved to DWG or DXF formats from AutoCAD version 2.5 to 2002, also as BMP, SVG and PNG formats.
NttCAD is a 2D-3D CAD program written in Java.
(commercial) A high-end CAD and CAM solid modeler for designers and engineers.
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.
A pure Tcl/Tk EDA Package. Schematic capture through to PCB layout. Has Part editor as well as editor for Schematic and PCB Decals.
SagCAD is a CAD/CAM of 2D. Designed for the X Window System, it uses the GTK+ 1.2 libraries.
Sailcut CAD is a sail design and plotting software which allows you to design and visualise your own sail and compute the accurate development of all panels in flat sheets.
A parametric 2D CAD system which ideally supports the user in all phases of the design process: conception, draft, elaboration. SISCAD-P provides means for drafting, parametric design and for compiling tables of variations.
SynDEx is a system level CAD software based on the "algorithm- architecture adequation" (AAA) methodology, for rapid prototyping and optimizing the implementation of distributed real-time embedded applications onto "multicomponent" architectures. It has been designed and developed at INRIA in the Rocquencourt Research Unit France, by the AOSTE team.
(commercial) A multiplatform CAD/CAM system designed for manufacturing. Synergy CAD is free. The CAM and solid modeling portions of Synergy require an access code.
A 2 dimensional CAD, with raster inclusion capability and emphasis in engineering. It is being written in Python and since it uses the Tkinter library, it is platform independent.
(commercial) VariCAD is a 3D/2D mechanical CAD system for Linux (RedHat, SuSE, Mandrake, Debian) and Windows. It includes many powerful tools for 3D modeling, 2D drafting, associate dimensioning, libraries (ANSI, DIN ..), calculations, tools for working with non-graphical information, such as bills of materials (BOM), and more.
A collection of tools which enables a designer to extract VHDL from blockdiagrams and state machines.
xSpace is a set of tools aiming to build an extensible platform for CAD.
(commercial) XTrkCad is a CAD program for designing Model Railroad layouts. XTrkCad supports any scale, has libraries of popular brands of turnouts and sectional track (plus you add your own easily), can automatically use spiral transition curves when joining track and has extensive on-line help and demonstrations. XTrkCad lets you manipulate track much like you would with actual flex-track to modify, extend and join tracks and turnouts. Additional features include tunnels, 'post-it' notes, on-screen ruler, parts list, 99 drawing layers, undo/redo commands, benchwork, 'Print to BitMap', elevations, train simulation and car inventory.