CoreBus is a cross—platform terminal for working with COM ports and TCP sockets with support for Modbus TCP/RTU/ASCII protocols.
- Free • Open Source
- Windows
- Linux

CoreBus is a cross—platform terminal for working with COM ports and TCP sockets with support for Modbus TCP/RTU/ASCII protocols.

evcc is an energy management system with a focus on electromobility. The software controls your EV charger or smart plug. It communicates with your vehicle, inverter or home storage to make intelligent charging decisions. The software is open source and community-driven.
ModbusScope is a graphical user interface tool designed for logging data using the Modbus protocol. It enables users to visualize the data in graphs while logging continues, and supports exporting the data to a CSV file for later analysis.

QModBus is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy communication with ModBus slaves over serial line interface. QModBus also includes a bus monitor for examining all traffic on the bus.

EVA ICS is a platform for automated control and monitoring systems development, for any needs, from home/office to industrial setups. It is completely free for non-commercial use as well as for commercial, on condition that enterprise integrates it on its own.

A lightweight and user-friendly Modbus RTU sniffer tool with a graphical interface. Easily analyze and debug communication between PLCs, HMIs, and other Modbus RTU devices via serial ports.

QModMaster is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy communication with ModBus RTU and TCP slaves. QModMaster also includes a bus monitor for examining all traffic on the bus.

Modbus Simulator for RS-232 and TCP/IP. Fork of mod_RSsim (https://sourceforge.net/projects/modrssim).
Features Modbus TCP/IP protocol slaves Modbus RTU protocol slaves Scriptable test environment Requires Visual C++ Redistributable 2010

Use SimServe to simulate a sophisticated Modbus network with different gateways and a mix of Modbus protocol variants

A collection of applications to simulate a Modbus client.
