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Best ngspice Alternatives in 2026

12 apps from physics simulation software ranked against ngspice on the same published basis.

  1. 1
    Open Source Physics WebWinMacLinuxiOS 8.3
    ngspice vs Open Source Physics
  2. 2
    SimFlow Free plan LinuxMacWebWin €666.67/mo7.9
    ngspice vs SimFlow
  3. 3
    Algodoo WinMaciOS 7.9
    ngspice vs Algodoo
  4. 4
    OpenSim Free plan apiLinuxMacWin Free7.7
    ngspice vs OpenSim
  5. 5
    myPhysicsLab Free plan LinuxMacself-hostedWebWin Free7.6
    ngspice vs myPhysicsLab
  6. 6
    COMSOL Multiphysics Free trial apiLinuxMacself-hostedWeb 7.5
    ngspice vs COMSOL Multiphysics
  7. 7
    SimScale Web 7.5
    ngspice vs SimScale
  8. 8
    Ansys Fluent 7.4
    ngspice vs Ansys Fluent
  9. 9
    OpenFOAM WinMacLinux 7.0
    ngspice vs OpenFOAM
  10. 10
    Xcos Free plan WinMacLinux Free7.0
    ngspice vs Xcos
  11. 11
    FEATool Multiphysics WinLinuxMac 6.9
    ngspice vs FEATool Multiphysics
  12. 12
    3JCN Physics Simulation Free plan Web Free6.8
    ngspice vs 3JCN Physics Simulation
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