atwSCADA — Free SCADA Software in a Single HTML File | IEC 61850, OPC UA, Modbus TCP | 53 Function Blocks, 65 Graphic Elements | No Installation | Download Free Demo

An open-source IEC 61850 test tool for digital substation Factory Acceptance Test (FAT).

Open-source IEC 61850 engineering workstation for MMS, reporting, GOOSE, file transfer, Sampled Values, SCL, diagnostics, and Smart Control.

Free open-source IEC 61850 Process Bus analyzer for SV, GOOSE, PTP, SCL validation, FAT/SAT troubleshooting, and commissioning evidence.

Open-source IEC 61850 Sampled Values publisher and subscriber for Windows with SCL/SCD configuration, COMTRADE replay, PCAP analysis, waveform, phasor, RMS, and process bus engineering.