Open Source OrCAD (All Products) Alternatives

The best open source alternative to OrCAD (All Products) is KiCad. If that doesn't suit you, our users have ranked more than 25 alternatives to OrCAD (All Products) and 12 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to OrCAD (All Products) are Fritzing, QUCS, LibrePCB and gEDA Project.

OrCAD (All Products) alternatives are mainly Circuit Simulators but may also be Electronic Design Automation Tools or CAD Software. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of OrCAD (All Products).

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OrCAD (All Products)

Paid • Proprietary
Windows

The Cadence OrCAD product line provides affordable, high-performance PCB design tools that boost productivity for smaller...

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KiCad
Is this is a good alternative?
Yes
No
Free • Open Source
Electronic Design Automation Tool
CAD Software
Mac
Windows
Linux
Flathub
54 KiCad alternatives
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 features an integrated environment between schematic capture, bill of...
- - KiCad is the most popular Windows, Mac & Linux alternative to OrCAD (All Products).
- - KiCad is the most popular Open Source & free alternative to OrCAD (All Products).
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KiCad Features
Multiplatform
3D Renderer
Wast library
3d sketching
Opinions about KiCad as a Alternative to OrCAD (All Products)
Most users think KiCad is a great OrCAD (All Products) alternative.
Fritzing
Is this is a good alternative?
Yes
No
Paid • Open Source
Electronic Design Automation Tool
Mac
Windows
Linux
AppImageHub
Flathub
51 Fritzing alternatives
Fritzing is a very-very handy a tool, very complex but very simple to use, to design circuits, as well as so called "layouts", be it PCB or stripboard or breadboard.
- - Fritzing is the most popular commercial alternative to OrCAD (All Products).
Suggest and vote on features
Fritzing Features
Arduino
QUCS
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Simulator
Electronic Design Automation Tool
Mac
Windows
Linux
36 QUCS alternatives
The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the simulation and graphical presentation of results of large-signal, small-signal and noise behavior in circuits.
QUCS has no features, suggest some!
LibrePCB
Is this is a good alternative?
Yes
No
Free • Open Source
Electronic Design Automation Tool
CAD Software
Mac
Windows
Linux
Flathub
47 LibrePCB alternatives
LibrePCB is a free EDA software to develop printed circuit boards. It’s currently under heavy development to bring out first stable releases as soon as possible.
Suggest and vote on features
LibrePCB Features
3d sketching
gEDA Project
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Simulator
Electronic Design Automation Tool
CAD Software
Mac
Linux
52 gEDA Project alternatives
The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.
gEDA Project has no features, suggest some!
Ngspice
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Simulator
Electronic Design Automation Tool
Mac
Windows
Linux
37 Ngspice alternatives
Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. Ngspice is part of gEDA project, a full GPL'd suite of Electronic Design Automation tools.
Ngspice has no features, suggest some!
Circuit Diagram
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Designer
Windows
Online
31 Circuit Diagram alternatives
Circuit Diagram is a free application for making electronic circuit diagrams and exporting them as images. Design circuits online in your browser or using the desktop application.
Circuit Diagram has no features, suggest some!
Oregano
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Simulator
Electronic Design Automation Tool
Linux
34 Oregano alternatives
oregano - An electrical engineering tool for GNOME

oregano is an application for schematic capture and simulation of electronic circuits. The actual simulation is performed by Berkeley Spice, or GNUcap or the new generation ngspice which is required for simulation, but not neces.
Oregano has no features, suggest some!
Discontinued
The last version is from December 2015.
TinyCAD
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
30 TinyCAD alternatives
TinyCAD is an open source schematic capture program for MS Windows. Use TinyCAD to produce professional circuit diagrams and export net list information to PCB applications.
TinyCAD has no features, suggest some!
eSim
Is this is a good alternative?
Yes
No
Free • Open Source
Circuit Simulator
Electronic Design Automation Tool
Circuit Designer
Windows
Linux
31 eSim alternatives
eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design. It is an integrated tool built using open source software such as KiCad and .
eSim has no features, suggest some!
Qucs-S
Is this is a good alternative?
Yes
No
Free • Open Source
Linux
31 Qucs-S alternatives
Qucs-S is a spin-off of the Qucs cross-platform circuit simulator. "S" letter indicates SPICE. The purpose of the Qucs-S subproject is to use free SPICE circuit simulation kernels with the Qucs GUI.
Qucs-S has no features, suggest some!
PCB Elegance
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
22 PCB Elegance alternatives
PCB Elegance is a suite of circuit board design tools for Windows. Including schematic capture, board layout, and manufacturing file generation. First released in 1998, it was proprietary software until 2012, when it was released as open source software under the GPL.
PCB Elegance has no features, suggest some!

12 of 12 OrCAD (All Products) alternatives

KiCad Features

Opinions about KiCad as a Alternative to OrCAD (All Products)

Fritzing Features

LibrePCB Features