Compare software

LTspice vs Coulomb: catalog facts
LTspice	Coulomb
Best for: Electronics engineers, students and hobbyists simulating analog circuits	Best for: Students and hobbyists learning how simple circuits behave
Free Free to download from Analog Devices.	Free Free and open source under the GPL-3.0 licence.
Windows	Linux
SPICE simulation with schematic capture in one program Built-in waveform viewer for inspecting results All 3 strengths for LTspice SPICE simulation with schematic capture in one program Built-in waveform viewer for inspecting results Free of charge	Plots voltage and current of components over time Clean GTK4 and libadwaita interface All 3 strengths for Coulomb Plots voltage and current of components over time Clean GTK4 and libadwaita interface Available on Flathub or as a jar file
Simulation only, with no PCB layout Details could not be confirmed from the official page at research time	Simpler than SPICE-based tools Small project with a single main developer
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for LTspice analog.com/en/resources/design-tools-and-calculators/ltspic… Catalog checked September 24, 2026	Official website Full listing and sources Sources for Coulomb github.com/hamza-Algohary/Coulomb Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.