Compare software

Qucs-SCircuitSim
Free

Free and open source, supported by donations.

 Free

Free and open source under the Apache 2.0 licence.

Windows, macOS, Linux Linux
  • Graphical schematic entry for SPICE simulation
  • Windows installer bundles Ngspice
  • Simulation updates live while you edit the circuit
  • Covers both analog values and basic logic gates
  • Simulation only; no PCB layout
  • macOS install goes through Homebrew
  • Small project with few contributors
  • Only basic digital logic support
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: Apache-2.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked October 1, 2026

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