Open Source Circuit JS AlternativesTop Circuit Simulators & Electronic Design Automation Tools like Circuit JS

The best open source alternative to Circuit JS is QUCS. If that doesn't suit you, our users have ranked more than 25 alternatives to Circuit JS and 18 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Circuit JS are CircuitJS1 Desktop Mod, Qucs-S, SimulIDE and gEDA Project.

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Circuit JS alternatives are mainly Circuit Simulators, but if you're looking for Electronic Design Automation Tools you can filter on that. Other popular filters include Linux and Mac. 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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Alternatives list

  1. QUCS icon
     38 likes

    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.

    36 QUCS alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
     
  2. Qucs-S icon
     3 likes

    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.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
     
  3. SimulIDE icon
     15 likes

    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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
     
  4. gEDA Project icon
     26 likes

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Linux
     
  5. OpenModelica icon
     18 likes

    OpenModelica – A Free Modelica Environment! OpenModelica is an open-source Modelica-based modeling and simulation environment intended for industrial and academic usage. Its long-term development is supported by a non-profit organization – the Open Source Modelica Consortium (OS.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  6. Ngspice icon
     8 likes

    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.

    38 Ngspice alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  7. BOOLR icon
     13 likes

    BOOLR is a digital logic simulator built with HTML and JavaScript using Electron . Simulations run asynchronously and in ticks so complex simulations won't cause freezes.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Electron / Atom Shell
     
  8. Xcos icon
     17 likes

    Xcos is a graphical editor to design hybrid dynamical systems models. Models can be designed, loaded, saved, compiled and simulated.

    98 Xcos alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  9. Oregano icon
     5 likes

    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.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Linux
     
  10. TkGate icon
     2 likes

    TkGate is a event driven digital circuit simulator with a tcl/tk-based graphical editor. TkGate supports a wide range of primitive circuit elements as well as user-defined modules for hierarchical design.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
     
  11. LogicCircuit icon
     3 likes

    LogicCircuit – is free, open source educational software for designing and simulating digital logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
     
12 of 18 Circuit JS alternatives