LTspice is described as 'IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators' and is an app in the Education & Reference category. There are more than 25 alternatives to LTspice for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is Circuit Simulator, which is both free and Open Source. Other great apps like LTspice are QUCS (Free, Open Source), Xcos (Free, Open Source), OpenModelica (Free, Open Source) and Ktechlab (Free, Open Source).
Circuit Simulator vs LTspice opinions
Some users think Circuit Simulator is a great alternative to LTspice, some don't.
Too simplistic compared to LTspice
Negative comment • over 5 years ago
Browser version is not the same as running locally
The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the simulation and graphical presentation of results of large-signal, small-signal and noise behavior in circuits.
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QUCS vs LTspice opinions
Most users think QUCS is a great alternative to LTspice.
KTechLab is an IDE for microcontrollers and electronics. It supports circuit simulation, program development for microcontrollers and simulating the programmed microcontroller together with its application circuit.