Simulators
Open Source Circuit Simulator





chip photo from qflow







Open Source VLSI toolsWeb: https://vlsiresources.com/opensourcevlsi/

  • SPICE: ngspice, Qucs, Xcircuit
  • Digital: iverilog, Yosys, Qflow
  • PCB: KiCAD
NgSPICE for educational purposed.
Official Web-link: https://ngspice.sourceforge.io/

Script based Circuit Simulator

* Archive: ngspice-37_64
* OSU references: ngspice_tutorial
* Device model info: BSIM3p3_manual