Graphical explorer for BACnet and Free BACnet library in C#
DNP3 Protocol Source code Library for Linux x86 x64 ARM PowerPC
IEC 101 Embedded Linux ARM, POSIX x86 x86-64 - c, c++ programming
IEC 104 Source code Library for Linux c c++ posix arm
DNP3 Outstation and client simulator, Source code Library, win, Linux
modbusmplex - a MODBUS/TCP multiplexer
SCADA HMI for substations, IoT and automation applications
IEC 101 Server and Client Simulator Source code Library, Win, Linux
Pure Browser based Visualisation for PLCs
iHome Smart Home System Platform
Floor-level factory/shop automatization control software
just plain WORKS
ModBus for Mobile Platforms