User friendly modbus client tool
Cross-platform (Win, Linux) Modbus (TCP / RTU / ASCII) GUI terminal
Siemens S7300/400/1200/1500, ModbusMaster/RTU/TCP/ASCII
32/64 bit multi-platform Modbus communication library
Yet Another Terminal :: Serial Communication :: Engineer/Test/Debug
Modbus TCP, UDP and Modbus RTU client/server library
Export variables from a WAGO PLC to other HMI/SCADA applications
Modbus TCP/UDP Server Simulator and Modbus RTU Slave Simulator
PLC-Logger and Analyzer
A SCADA program written in C#