List of free electronics circuit simulators

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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE.

Some of the following simulators don't include a graphical visual interface, so a separate program must be chosen to provide that feature, such as Qucs-S,[1] Oregano,[2] or a PCB suite that supports external simulators, such as KiCad or gEDA.

Simulator name Business / Developer Latest
release
year
Currently
developed?
Source
Code?
O/S platforms Analog? Digital? Digital
languages?
Visual
editor?
Notes
Gnucap[3] n/a 2021 Yes Yes Linux Yes No No No Spice, Verilog, Spectre netlists. Plugins.
KTechLab[4] n/a 2020 Yes Yes Linux Yes Yes No Yes Simulates a PIC microcontroller
Logisim-evolution[5][6] Multiple Universities and community developers 2022 Yes Yes Windows, macOS, Linux No Yes VHDL Yes Fork of Logisim (which development ended in 2011)[7]
LTspice Analog Devices 2023 Yes No Windows, macOS, POL Yes No No Yes Very popular, updated often[8]
Micro-Cap Spectrum Software 2020 No No Windows Yes Yes PLD expressions Yes Previously was commercial software
Ngspice n/a 2023 Yes Yes Windows, macOS, Linux Yes Yes No No Altium Designer / Eagle / KiCad includes Ngspice.[9]
Qucs n/a 2017 Yes Yes Windows, macOS, Linux Yes Yes VHDL, Verilog Yes Qt GUI. Uses own SPICE-incompatible simulator Qucsator for analog.
Qucs-S[1] n/a 2023 Yes Yes Windows, macOS, Linux Yes Yes VHDL, Verilog Yes Qucs SPICE-compatible fork using Ngspice, XYCE, SpiceOpus, or Qucsator for analog.
SapWin University of Florence 2019 Yes No Windows Yes No No Yes
SPICE[10] UC Berkeley 1993 No Yes Source-only Yes No No No Many analog simulators are based on this project
TINA–TI[11] DesignSoft & TI 2018 Yes No Windows, Wine Yes No No No Special version of TINA licensed to TI
PSPICE-FOR-TI[12] Cadence & TI 2019 Yes No Windows Yes No No Yes Special version of PSpice licensed to TI[13]
Xyce[14] Sandia National Laboratories 2022 Yes Yes Windows, macOS, Linux Yes No No No Supports parallel simulation on Linux and macOS,
and capable of solving extremely large circuits

See also

References