KiCad boards from 7 GitHub repositories tagged “circuit-simulation”, the most starred first; open any of them in PCBKit.
potatobeanradio/circuitRF
Full featured RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
wayri/SPIKE
PCB-focused multiphysics simulation, from board to complete assembly: PI, SI, circuits, thermal, EM/RF and mechanical workflows, with MCAD collaboration and a roadmap toward large-scale coupled assemblies.
CK20000/STM32-Digital-Twin-Project-Status-Architecture
Tired of paywalled PCB simulators? Open-source, physics-accurate digital twin for KiCad. Real MCU (Renode), real analog (ngspice), live PyQt6 dashboard. No stubs, no fake numbers. Fork and grow it.
gerhardmalberg/bms-cmu-bq79616-hardware
Open-source 6S–16S battery monitoring hardware based on TI BQ79616-Q1. Includes KiCad designs, manufacturing files, and electrical, thermal and mechanical simulation studies.
MUDAL/Function-Generator
Custom Function Generator designed and developed by Olaoluwa Raji. This project is a complete embedded system solution with both hardware and software implemented by me. Relevant reference materials are included.
reporafin/cascaded-variable-linear-power-supply
A variable linear AC-to-DC power supply utilizing LM voltage regulators. Includes LTspice circuit simulations and KiCad schematic/PCB fabrication files with thermal and ground plane optimizations.
sohan-bhat/wobbl
Simulate anything before you build it. Verified FEA, heat and circuit simulation for AI coding agents and humans.
potatobeanradio/circuitRF
Full featured RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
potatobeanradio/circuitRF
Full featured RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
wayri/SPIKE
PCB-focused multiphysics simulation, from board to complete assembly: PI, SI, circuits, thermal, EM/RF and mechanical workflows, with MCAD collaboration and a roadmap toward large-scale coupled assemblies.