A clean, easy-to-use Modbus master tool that lets you connect to any slave device and inspect traffic in seconds — over TCP/IP, Serial, RTU or ASCII.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows


Modbus Workbench is described as 'Free desktop tool for Modbus RTU and TCP testing, fully offline, with live polling, write operations, traffic log, slave simulation, and exportable data logs' and is an app. There are more than 10 alternatives to Modbus Workbench for a variety of platforms, including Windows, Linux, Web-based, Flathub and SaaS apps. The best Modbus Workbench alternative is CoreBus, which is both free and Open Source. Other great apps like Modbus Workbench are ModbusScope, ModScan, ModSim and QModBus.
A clean, easy-to-use Modbus master tool that lets you connect to any slave device and inspect traffic in seconds — over TCP/IP, Serial, RTU or ASCII.


Modbus Slave is for simulating up to 32 slave devices in 32 windows!. Speed up your PLC programming with this simulating tools. Start programming and test before you receive your slave device from supplier.
