Open Source LTspice Alternatives

    The best open source alternative to LTspice is Circuit Simulator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to LTspice and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to LTspice are QUCS (Free, Open Source), Xcos (Free, Open Source), OpenModelica (Free, Open Source) and Ktechlab (Free, Open Source).

    The list of alternatives was last updated Feb 20, 2021
    LTspice info, screenshots & reviewsAlternatives to LTspice
    • 33 alternatives
    •  10 showing

    Platforms

    • Windows
    • Linux
    • Mac
    • Online
    • Android
    • iPhone
    • Windows Phone
    • iPad
    • Kindle Fire
    • Chrome OS

    Features

    • Circuit simulation
    • Arduino
    • Software developer
    • Waveform
    • Browser based
    • Calculators
    • Calibration
    • Feedback
    • Linear
    • Support for MAGNET links
    • Portable
    • Price alerts
    • Prototyping
    • Python IDE

    License

    × Clear
    • Free
    • Open Source
    • Paid
    All Filters

    • Circuit Simulator

      Animated electronic circuit simulator using ideal components to visualize voltage and current. View 45 alternatives to Circuit Simulator
      Some users think Circuit Simulator is a great alternative to LTspice, some don't.
      • Free • Open Source
      • Mac
      • Windows
      • Linux
      • Online
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      Circuit Simulator vs LTspice
      pros, cons and recent comments
      Too simplistic compared to LTspice
      Negative comment • over 5 years ago

      2
      Browser version is not the same as running locally
      Negative comment • about 3 years ago

      1

    • 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. View 36 alternatives to QUCS
      Most users think QUCS is a great alternative to LTspice.
      • Free • Open Source
      • Mac
      • Windows
      • Linux
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      QUCS vs LTspice
      pros, cons and recent comments
      it is much easier to operate compared to Lt Spice
      Positive comment • over 3 years ago

      3

    • Xcos

      Xcos is a graphical editor to design hybrid dynamical systems models. Models can be designed, loaded, saved, compiled and simulated. View 90 alternatives to Xcos
      • Free • Open Source
      • Mac
      • Windows
      • Linux
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      • OpenModelica

        OpenModelica – A Free Modelica Environment! View 39 alternatives to OpenModelica
        • Free • Open Source
        • Mac
        • Windows
        • Linux
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      • Ktechlab

        KTechLab is an IDE for microcontrollers and electronics. It supports circuit simulation, program development for microcontrollers and simulating the programmed microcontroller together with its application circuit. View 24 alternatives to Ktechlab
        • Free • Open Source
        • Linux
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        • Ngspice

          Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. View 36 alternatives to Ngspice
          • Free • Open Source
          • Mac
          • Windows
          • Linux
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        • Oregano

          oregano - An electrical engineering tool for GNOMEoregano is an application for schematic capture and simulation of View 33 alternatives to Oregano
          • Free • Open Source
          • Linux
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        • 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. View 32 alternatives to Qucs-S
          • Free • Open Source
          • Linux
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            Qucs-S vs LTspice
            pros, cons and recent comments
            Harmonic Balance simulation and Xyce!
            Positive comment • about 3 years ago

            0

          • Emulino

            Emulino is an emulator for the Arduino platform by Greg Hewgill, originally found on emulino: arduino cpu emulator. View 20 alternatives to Emulino
            No screenshots yet
            • Free • Open Source
            • Linux
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          • StochSD

            StochSD (Stochastic System Dynamics) is an open source System Dynamics simulation software with focus on statistics. View 38 alternatives to StochSD
            • Free • Open Source
            • Mac
            • Windows
            • Linux
            • Online
            • Chrome OS
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            Showing 10 of 10 alternatives