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 14 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 PipeWalker.

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OrCAD (All Products) alternatives are mainly Circuit Simulators but may also be Electronic Design Automation Tools or CAD Software. Other popular filters includes Windows + Electronic Design Automation. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of OrCAD (All Products).

OrCAD (All Products)

Paid • Proprietary

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

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OrCAD (All Products) alternatives page was last updated Oct 23, 2023

KiCad
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...
58 KiCad alternatives
License model
- Free • Open Source
Application types
- Electronic Design Automation Tool
- Circuit Simulator
Platforms
- Mac
- Windows
- Linux
- Flathub
+5
KiCad Features
1. Multiplatform
2. 3D Renderer
3. Lightweight
4. Portable
5. Wast library
6. 3d sketching
Show all NaN KiCad features ▾
KiCad VS OrCAD (All Products)
Is KiCad a good alternative to OrCAD (All Products)?
- Most users think KiCad is a great OrCAD (All Products) alternative.
- 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).
- KiCad is Free and Open SourceOrCAD (All Products) is Paid and Proprietary
- KiCad is LightweightOrCAD (All Products) is not according to our users

Fritzing
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.
55 Fritzing alternatives
License model
- Paid • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
- AppImageHub
- Flathub
Fritzing Features
Create UI Components
Arduino
Show all NaN Fritzing features ▾
Fritzing VS OrCAD (All Products)
Is Fritzing a good alternative to OrCAD (All Products)?
- Fritzing is the most popular commercial alternative to OrCAD (All Products).
- Fritzing is Paid and Open SourceOrCAD (All Products) is Paid and Proprietary

QUCS
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.
38 QUCS alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
+2
QUCS VS OrCAD (All Products)
Is QUCS a good alternative to OrCAD (All Products)?

LibrePCB
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.
51 LibrePCB alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
- Flathub
LibrePCB Features
Lightweight
Ad-free
3d sketching
Show all NaN LibrePCB features ▾
+2
LibrePCB VS OrCAD (All Products)
Is LibrePCB a good alternative to OrCAD (All Products)?

PipeWalker
This is a puzzle game in which you need to combine the components into a single circuit: connect all computers to a network server, bring water to the taps, etc.
38 PipeWalker alternatives
+3
License model
- Free • Open Source
Platforms
- Windows
- Linux
- Flathub
PipeWalker Features
Portable
Show all NaN PipeWalker features ▾
PipeWalker VS OrCAD (All Products)
Is PipeWalker a good alternative to OrCAD (All Products)?

gEDA Project
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.
56 gEDA Project alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Linux
+3
gEDA Project VS OrCAD (All Products)
Is gEDA Project a good alternative to OrCAD (All Products)?

Ngspice
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.
39 Ngspice alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
Ngspice VS OrCAD (All Products)
Is Ngspice a good alternative to OrCAD (All Products)?

Circuit Diagram
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.
35 Circuit Diagram alternatives
License model
- Free • Open Source
Application type
- Circuit Designer
Platforms
- Windows
- Online
Circuit Diagram VS OrCAD (All Products)
Is Circuit Diagram a good alternative to OrCAD (All Products)?

Oregano
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.
36 Oregano alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Linux
Discontinued
The last version is from December 2015.

Oregano VS OrCAD (All Products)
Is Oregano a good alternative to OrCAD (All Products)?

TinyCAD
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.
33 TinyCAD alternatives
License model
- Free • Open Source
Platforms
- Windows
TinyCAD VS OrCAD (All Products)
Is TinyCAD a good alternative to OrCAD (All Products)?

eSim
eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design.
35 eSim alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Windows
- Linux
+2
eSim VS OrCAD (All Products)
Is eSim a good alternative to OrCAD (All Products)?

Qucs-S
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.
33 Qucs-S alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Linux
Qucs-S VS OrCAD (All Products)
Is Qucs-S a good alternative to OrCAD (All Products)?