List of free electronics circuit simulators

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 nameBusiness/DeveloperLatest
release
year
Currently
developed?
Source
Code?
O/S platformsAnalog?Digital?Digital
languages?
Visual
editor?
Notes
KTechLab[3] n/a 2020 Linux Simulates a PIC microcontroller
Logisim-evolution[4][5] Multiple Universities and community developers 2021 Windows, MacOS, Linux VHDL Fork of Logisim (which development ended in 2011)[6]
LTspice Analog Devices 2021 Windows, MacOS, POL Very popular, updated often[7]
Micro-Cap Spectrum Software 2020 Windows PLD expressions Previously was commercial software
Ngspice n/a 2021 Windows, MacOS, Linux Altium Designer / Eagle / KiCad includes Ngspice.[8]
Qucs n/a 2017 Windows, MacOS, Linux VHDL, Verilog For better SPICE compatibility, see Qucs-S[1] branch
SapWin University of Florence 2019 Windows
SPICE[9] UC Berkeley 1993 Source-only Many analog simulators are based on this project
TINA–TI[10] DesignSoft & TI 2018 Windows, Wine VHDL Special version of TINA licensed to TI
PSPICE-FOR-TI[11] Cadence & TI 2019 Windows Special version of PSpice licensed to TI[12]
Xyce[13] Sandia National Laboratories 2021 Windows, MacOS, Linux Supports parallel simulation on Linux and MacOS,
and capable of solving extremely large circuits

Old software

See also

References

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