Comparison of Free EDA software

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Comparison of Free EDA software

Name	Architecture	License	Autorouter	Comment
ChipVault		GPL		Terminal based Vi wrapper for HDL
Electric	*BSD,Java	GPL	Yes	VLSI circuit design tool with connectivity at all levels. Can also be used for schematic entry and PCB design.
FreePCB	w32	GPL	Yes	A printed circuit board design program for Microsoft Windows. FreePCB allows for up to 16 copper layers, both metric and English units, and export of designs in RS-274X Gerber format. Boards can be partially or fully autorouted with the FreeRouting autorouter by using the FpcROUTE Specctra DSN file translator.
FreeRouting	Java	proprietary, but web interface free to use	Yes	Push & shove router
GdsViewer	w32	proprietary		GdsViewer is a multifunctional GDSII viewer. The viewer loads files in ASCII and binary GDSII formats. It can also export any portion of artwork in various formats, including 3D VTK format. The viewer can be used to make large size high resolution prints. Limited Personal license is free for personal and academic use.
gEDA	*BSD,Mac,Linux	GPL	Yes	Suite of applications for schematic capture, PCB layout editing (with autorouting capability), Gerber viewing, analog circuit simulation, Verilog design, and GTK-based waveform viewing.
GHDL	Linux	GPL	-	VHDL simulator
Icarus Verilog	*BSD,Mac,Linux	GPL		Verilog simulator
Kicad	Linux,w32,Mac	GPL 2	Yes	Unlike other free software alternatives, Kicad provides for all design stages through the same interface: Schematic capture, PCB layout, Gerber generation/visualization, and library editing are all standard features. It also has a "3D view" feature for PCBs. It is available for all three major operating systems, and features a large selection of component libraries. Migration tools (for transferring files from other EDA packages) are also provided. The file format is plain text, and is well documented, which is a useful feature for content management systems.
LayoutEditor	Linux,w32,Mac	GPL	-	A IC/MEMS layout editor. Features: all basic design functions, all angle elements, font generator, macros, boolean operations, design rule checker, netlists, LVS, full supported formats: Calma GDSII, OASIS (Open Artwork System Interchange Standard), DXF, CIF (Caltech Intermediate Form), imported formats: gerber, lasi, alliance
Oregano		GPL		Limited
OwlVision GDSII Viewer		GPL		GDSII IC layout viewer
Quite Universal Circuit Simulator		GPL		Schematic capture + simulation + spice?
XCircuit		GPL		Used to produce netlists and publish high-quality drawings.

Also worth mentioning is SPICE, a general purpose analog circuit simulator.

Free or Open EDA enables end users with programming skills to add features and fix bugs. And works as a safeguard to ensure designs are readable in the future.

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