Best Ngspice Alternatives ranked by AI · updated May 2025

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Ngspice is an open-source mixed-level/mixed-signal electronic circuit simulator.

Price: Free 🎯 sourceforge.net/projects/ngspice

🎨 Design Tools 🎮 Simulation 💻 Electronics Computer Simulations

Top 6 Ngspice alternatives

LTspice

Analog Devices

LTspice is a free SPICE-based schematic capture and waveform simulation tool for engineers, students, and electronics designers. It stands out for fast...

Pros

Much deeper SPICE analysis than DCACLab
Strong performance for switching supplies and analog design
Supports custom models, behavioral sources, and scripted measurements

Cons

Desktop installation is less convenient than DCACLab's browser workflow
Steeper learning curve for beginners and classroom users
Primarily schematic and waveform based rather than breadboard visual

Free

Alternatives to LTspice → Visit site

QUCS

QUCS (Quite Universal Circuit Simulator) is an open-source circuit simulator that allows you to simulate electronic circuits. It is designed to help...

Free

Alternatives to QUCS → Visit site

Simulink

Simulink is a block diagram environment for multidomain simulation and model-based design from MathWorks, also integrates with MATLAB.

Pros

Excellent for dynamic system modeling
Seamless integration with MATLAB
Extensive library of predefined blocks

Cons

Less intuitive for some users compared to LabVIEW
May require knowledge of MATLAB for complex tasks

Starting from $45.00/month

Alternatives to Simulink →

Circuit Simulator

Circuit Simulator is a software tool used for simulating electronic circuits before prototyping. It helps in designing and testing circuits virtually.

Free trial available, Paid version starts at $99

Alternatives to Circuit Simulator → Visit site