LTspice is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Circuit Simulator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to LTspice and 11 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to 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.
Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. Ngspice is part of gEDA project, a full GPL'd suite of Electronic Design Automation tools.