Circuit JS AlternativesCircuit Simulators & Electronic Design Automation Tools like Circuit JS

Circuit JS is described as 'This is a javascript electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red color indicates negative voltage' and is a popular circuit simulator in the education & reference category. There are more than 25 alternatives to Circuit JS for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Circuit JS alternative is QUCS, which is both free and Open Source. Other great apps like Circuit JS are LTspice, Multisim, Pspice and CircuitLab.

filter to find the best alternatives

Circuit JS alternatives are mainly Circuit Simulators, but if you're looking for Electronic Design Automation Tools or Circuit Designers you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Circuit JS.
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This is a javascript electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red...

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Circuit JS alternatives page was last updated Mar 3, 2025
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  1. QUCS icon
     35 likes
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    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.

    37 QUCS alternatives

    License model

    • FreeOpen Source

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    QUCS VS Circuit JS

     
    • Most users think QUCS is a great Circuit JS alternative.

    • QUCS is the most popular Windows, Mac & Linux alternative to Circuit JS.

    • QUCS is the most popular Open Source & free alternative to Circuit JS.

    • QUCS is Free and Open SourceCircuit JS is also Free and Open Source
  2. LTspice icon
     21 likes
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    LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

    38 LTspice alternatives

    License model

    • FreeProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows

    LTspice Features

    1.  Electron valves

    LTspice VS Circuit JS

     
  3. Multisim icon
     2 likes
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    Multisim is industry-standard SPICE simulation and circuit design software for analog, digital, and power electronics in education and research.

    33 Multisim alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    Multisim VS Circuit JS

     
    • Multisim is the most popular commercial alternative to Circuit JS.

    • Multisim is Paid and ProprietaryCircuit JS is Free and Open Source
  4. Pspice icon
     4 likes
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    Software for Simulating Voltage and Currents of a text file net-list of a electronics components such as Resistors, Capacitors, inductors, transisters, Diodes, Voltage and Current Sources, etc.

    32 Pspice alternatives

    License model

    • FreemiumProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    Pspice VS Circuit JS

     
  5. CircuitLab icon
     7 likes
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    Sketch, simulate, and share your circuits, entirely in your browser -- no install required. Easy schematic capture and powerful SPICE-like, mixed-mode circuit simulation helps EE students, electronics hobbyists, and electrical engineers design faster.

    28 CircuitLab alternatives

    License model

    Platforms

    • Online

    CircuitLab VS Circuit JS

     
    Comments about CircuitLab as an Alternative to Circuit JS
    Stimmenhotel
    Positive Jul 8, 2024
    0

    Very similar, but paid with limited free mode

    Circuit JS Icon
    CircuitLab icon
    • Almost everyone thinks CircuitLab is a great Circuit JS alternative.

    • CircuitLab is the most popular Web-based alternative to Circuit JS.

    • CircuitLab is Paid and ProprietaryCircuit JS is Free and Open Source
  6. Copy a direct link to this comment to your clipboard

    This electronic circuit simulator is highly interactive giving the feeling of playing with real components. It's very helpful for experimentation and visualization. It's a desktop version of the Circuit JS.

    35 CircuitJS1 Desktop Mod alternatives

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Educational

    Features

    1.  Portable
    2.  Interactive Visualization

    CircuitJS1 Desktop Mod VS Circuit JS

     
  7. SimulIDE icon
     12 likes
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    SimulIDE is a simple real time electronic circuit simulator. It's intended for general purpose electronics and microcontroller simulation, supporting PIC and AVR. PIC simulation is provided by gpsim and avr simulation by simavr.

    15 SimulIDE alternatives

    License model

    • FreeOpen Source

    Platforms

    • Windows
    • Linux

    SimulIDE Features

    1.  Arduino
    2.  Colored Text

    SimulIDE VS Circuit JS

     
  8. Qucs-S icon
     1 like
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    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.

    32 Qucs-S alternatives

    License model

    • FreeOpen Source

    Platforms

    • Linux
    • Flathub
    • Flatpak

    Qucs-S VS Circuit JS

     
  9. proteus VSM icon
     6 likes
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    A virtual simulation environment for electronic circuits with support of digital and analog devices. It also provides virtual instruments and virtual debugging tools.

    22 proteus VSM alternatives

    License model

    Platforms

    • Windows

    proteus VSM VS Circuit JS

     
  10. Simulink icon
     28 likes
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    Simulink® is a block diagram environment for multidomain simulation and Model-Based Design. It supports simulation, automatic code generation, and continuous test and verification of embedded systems.

    37 Simulink alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux

    Simulink VS Circuit JS

     
  11. Copy a direct link to this comment to your clipboard

    This java applet is an electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red color indicates negative voltage.

    License model

    • FreeProprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    Circuit Simulator Applet Features

    1.  Java based

    Circuit Simulator Applet VS Circuit JS

     
  12. Yenka icon
     7 likes
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    Yenka is a new generation of educational modelling tools from Crocodile Clips.

    Equally at home on whiteboards or when used by individual students, they let you experiment with the topics you're teaching in a safe, accurate virtual world. Their modelling products include: Yen.

    5 Yenka alternatives

    License model

    • Free PersonalProprietary

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows

    Yenka VS Circuit JS

     
12 of 47 Circuit JS alternatives