Modbus server designed for Raspberry PI to control GPIO/I2C devices.
SCADA HMI for substations, IoT and automation applications
PLC Data Logger
Modbus slave simulator
A modbus library implemented in Java.
Modbus TCP, Modbus UDP and Modbus RTU client/server Java library
Modbus TCP/UDP Server Simulator and Modbus RTU Slave Simulator
Enhanced Modbus library implemented in the Java programming language
PLC-Logger and Analyzer
openSCADA® is an open source SCADA system written in JAVA
Android front end for Bacnet/Modbus building automation system
Java library for X-Way and/or UNI-TE communication.