A free, open 3D factory simulator for learning PLC programming. Write ladder or SCL in TIA Portal, OpenPLC, Node-RED or Ignition and watch it drive a Godot 4.7 physics factory. Verified against a real S7-1500. MIT.
python education csharp simulation node-red godot plc siemens godot-engine industrial-automation scada modbus-tcp opc-ua snap7 plcsim tia-portal ladder-logic plc-programming s7-1500 factory-simulator
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Updated
Sep 22, 2026 - C#