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We've compiled a list of 30 free and paid alternatives to LTspice. The primary competitors include Proteus PCB design, Circuit Simulator. In addition to these, users also draw comparisons between LTspice and QUCS, OpenModelica, Ktechlab. Also you can look at other similar options here: Education and Reference Software.


Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...

Circuit Simulator
Free Open Source

Animated electronic circuit simulator using ideal components to visualize voltage and current.

QUCS
Free Open Source

The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the...

Ktechlab
Free Open Source

KTechLab is an IDE for microcontrollers and electronics.

Ngspice
Free Open Source

Ngspice is a mixed-level/mixed-signal circuit simulator.

Solve Elec is a free educational program to draw and analyze electrical circuits.

Qucs-S
Free Open Source

Qucs-S is a spin-off of the Qucs cross-platform circuit simulator.

LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

LTspice Platforms

tick-square Windows
tick-square Mac

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LTspice Tags

schematic-capture electronics electronic-design-automation circuit-simulation

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