circuit-simulator topic
xictools
XicTools: Xic graphical editor, WRspice circuit simulator, and accessories. for electronic design.
mcircuit
A digital logic simulator inspired by Logisim.
spicegui
Graphical user interface for circuit simulation on GNU/Linux using ngspice
hradla
Logic network simulator that runs in your browser
circuitsim
Implementing a full-on electronic circuit simulator, studying the whole concept and physics behind it!
node-ngspice
A frontend for NgSpice. (Archived and no longer maintained)
NaiveCircuitSimulator
A simple electric circuit simulator with pleasant GUI written in C++ using olc Pixel Game Engine.
JosephsonCircuits.jl
Frequency domain, multi-tone harmonic balance, simulation of scattering parameters and noise in nonlinear circuits containing Josephson junctions.
netlist-solver
A MATLAB project that uses modified nodal analysis to calculate the node voltages of any analog circuit.