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 Poll is described as 'Modbus master simulator designed primarily to help developers of Modbus slave devices or others that want to test and simulate the Modbus protocol. With the multiple document interface you can monitor several Modbus slaves and/or data areas at the same time' and is an app in the network & admin category. There are more than 10 alternatives to Modbus Poll for a variety of platforms, including Windows, Linux, Web-based, Flathub and SaaS apps. The best Modbus Poll alternative is ModPackQT, which is free. Other great apps like Modbus Poll are CoreBus, ModbusScope, 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.


Free offline desktop tool for Modbus RTU and TCP testing, provides live polling, direct writing, raw traffic logging with export options, and a built-in slave simulator. Supports multiple languages, multi-platform use, and parallel device monitoring.







