Uncovering the Best Pspice Alternatives for Circuit Simulation
Cadence® Pspice® is a well-known full-featured, native analog and mixed-signal circuit simulator. While powerful, its demo version often comes with limitations on the number of nodes and other features, leading many engineers and hobbyists to seek out viable Pspice alternative solutions. Whether you're looking for free, open-source options, or commercial tools with specific functionalities, there's a wide array of excellent software available to meet your circuit simulation needs.
Top Pspice Alternatives
Finding the right circuit simulation software can significantly impact your design workflow. Here’s a detailed look at some of the best alternatives to Pspice, each offering unique strengths and features.

Circuit Simulator
Circuit Simulator is an excellent Pspice alternative, offering an animated electronic circuit simulation experience using ideal components. It helps visualize voltage and current, making it great for learning and quick prototyping. This tool is Free and Open Source, available across Mac, Windows, Linux, and Web platforms, and boasts features like being browser-based and portable.

LTspice
LTspice IV stands out as a high-performance Spice III simulator, complete with schematic capture and a waveform viewer. It includes enhancements and models specifically designed to ease the simulation of switching power supplies, making it a robust Pspice alternative. It's available for Free on Mac and Windows.

QUCS
The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator that allows for the simulation and graphical presentation of results from large-signal circuits. As a Free and Open Source Pspice alternative, QUCS is available on Mac, Windows, and Linux, providing a comprehensive simulation environment for various circuit types.

Ktechlab
KTechLab serves as an IDE for microcontrollers and electronics, distinguishing itself with support for circuit simulation, program development for microcontrollers, and simulating the programmed devices. This Free and Open Source Pspice alternative is specifically designed for Linux users and features strong simulation capabilities.

Proteus PCB design
Proteus PCB design offers a powerful, integrated, and user-friendly suite of tools for professional PCB development, combining schematic capture and ARES PCB layout programs. It's a Commercial Pspice alternative available for Windows, providing a comprehensive solution for design and layout.

iCircuit
iCircuit is an intuitive electronic circuit simulator and designer, making it an ideal tool for students, hobbyists, and engineers. This Commercial Pspice alternative is available across multiple platforms including Mac, Windows, iPhone, Windows Phone, and iPad. Its key feature is its robust simulation capability, alongside price alerts.

NI Circuit Design Suite Power Pro
NI Circuit Design Suite software enhances the PCB design process by integrating capture, simulation, and layout into a single toolchain with NI Multisim and Ultiboard. This Commercial Pspice alternative for Windows provides a professional and streamlined approach to circuit design.

Ngspice
Ngspice is a mixed-level/mixed-signal circuit simulator built upon open-source packages like Spice3f5, Cider1b1, and Xspice, and is part of the gEDA project. As a Free and Open Source Pspice alternative, Ngspice offers powerful simulation features and is available on Mac, Windows, and Linux, making it a versatile choice for complex simulations.

DesignSpark PCB
DesignSpark PCB is renowned as one of the world’s most powerful free schematic and PCB layout tools. It serves as an excellent Free Pspice alternative for Windows users, providing robust capabilities for both schematic capture and board design without a cost barrier.

OrCAD (All Products)
The Cadence OrCAD product line provides affordable, high-performance PCB design tools tailored to boost productivity for smaller design teams and individual PCB designers. As a Commercial Pspice alternative for Windows, OrCAD offers a comprehensive suite for various design tasks.
With such a diverse range of Pspice alternatives, you have ample choices to find a circuit simulation tool that perfectly aligns with your project requirements, budget, and preferred operating system. Explore these options to discover the best fit for your design and analysis needs.