Open source PCB designs you can simulate
6,828 boards
Every public KiCad project we can find on GitHub, with its processor, full parts list and a render of the board. Any of them can be brought up in simulation: open one and run firmware on it before you order a single PCB.
TRS-80 Color Computer 3
qbancoffee
280 × 156.3 mm205 parts2LGPL-3.040- schematic only · 419 parts
Retro-Schematics
omega9380
419 partsMIT19 
BitStack-DigiTrainer
RetroStack
320 × 150 mm262 parts2LMIT2
VIA Plus
demik
77.5 × 44.7 mm18 parts4LCERN-OHL-P-2.027- schematic only · 33 parts
PICDB
33 parts2LCERN-OHL-P-2.027
Browse boards by part
AMS1117-3.3 345USBLC6-2SC6 296RP2040 224W25Q128JVS 135TL072 118CH340C 116AP2112K-3.3 103ESP32-S3-WROOM-1 97TL074 94AP2112K-3.3TRG1 82SRV05-4 73W25Q128JVSIQ 73USBLC6-2P6 70Pico 52L7805 50XC6206P332MR 50MCP73831T-2ACI/OT 49SN65HVD230 49AMS1117-5.0 48ESP32-S3-WROOM-1-N16R8 48LM393 44BME280 43DW01A 43LAN8710A-EZC(QFN32) 43