List_of_free_electronics_circuit_simulators

# List of free electronics circuit simulators ## Links (Wikipedia order)  `Altium_Designer` · `Analog_Devices` · `Analogue_electronics` · `Arduino` · `Autodesk` · `C++` · `Cadence_Design_Systems` · `Commercial_software` · [[Comparison_of_EDA_software]] · `Digital_electronics` · `EAGLE_(program)` · `Electronic_circuit_simulation` · `Electronic_kit` · `Espresso_heuristic_logic_minimizer` · `GEDA` · `Icarus_Verilog` · `Infineon_Technologies` · `KTechLab` · `KiCad` · `LTspice` · `Linear_Technology` · `Linux` · [[List_of_HDL_simulators]] · `MacOS` · `Micro-Cap` · `Microsoft_Windows` · `Ngspice` · `Operating_system` · `Oregano_(software)` · `Plug-in_(computing)` · `Programmable_logic_device` · `Qt_(software)` · `Quite_Universal_Circuit_Simulator` · `SPICE` · `Sandia_National_Laboratories` · `SapWin` · `Source_code` · `TINA_(software)` · `Texas_Instruments` · `Tinkercad` · `University_of_California,_Berkeley` · `University_of_Florence` · `VHDL` · `Verilator` · `Verilog` · `Web_application` · `Wine_(software)` > Summary stub · part of Systems Engineering · [Wikipedia source](https://en.wikipedia.org/wiki/List_of_free_electronics_circuit_simulators) ## Summary This list enumerates free analog and digital electronic circuit simulators available across operating systems. Such tools, many based on the SPICE family, let engineers and hobbyists model circuit behavior, including voltages, currents, and frequency response, before building hardware. Examples include LTspice, ngspice, and Qucs. Free simulators make circuit analysis broadly accessible for education and design. ## Key points - Enumerates free circuit simulators - Many based on the SPICE family - Model analog and digital circuit behavior - Examples include LTspice, ngspice, and Qucs - Make circuit analysis broadly accessible ## Relation to Systems Engineering Circuit simulators let engineers verify electronic subsystems early, supporting the systems-[[Engineering|engineering]] practice of catching problems before integration. ## Sources - [List of free electronics circuit simulators — Wikipedia](https://en.wikipedia.org/wiki/List_of_free_electronics_circuit_simulators) Back to Systems Engineering ---  ## Semiotic profile > *The semiotic universals this article invokes, machine-derived from the crossref — **unverified** (born so). Populated 2026-07-06 for the Systems room.* **Universals (6):** 🟡 system (7) · 🟢 discretization (2) · 🟡 electronics (2) · 🟢 flow (1) · 🟢 frequency (1) · 🟢 potential (1) **Enter by sign:** Systems Semiotic Gateway · Alphabetum · Icon Registry · ← Systems Portal  ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/List_of_free_electronics_circuit_simulators) : [Wikitube](https://en.wikitube.io/wiki/List_of_free_electronics_circuit_simulators) ## Previous hub tags Tree parent: [[Systems_engineering]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*