Modbus Pro Alternatives
Modbus Pro is described as 'Brings Modbus diagnostics into the modern era. Most engineers juggle a seperate master poller and slave simulator, often with dates interfaces. Modbus Pro puts both in one clean app' and is an app. There are more than 10 alternatives to Modbus Pro for a variety of platforms, including Windows, Linux, Web-based, Flathub and SaaS apps. The best Modbus Pro alternative is CoreBus, which is both free and Open Source. Other great apps like Modbus Pro are ModbusScope, ModSim, ModScan and QModBus.
Alternatives list
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.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Windows
- Linux


ModSim32 is a very simple but powerful application for simulating data from modbus slave devices. ModSim is an MDI application which allows you to define multiple blocks of data points which may then be accessed from a connected modbus master.
Cost / License
- Paid
- Proprietary
Platforms
- Windows

ModScan is for use in development or maintenance of multi-vendor systems utilizing the popular PLC communications protocol as developed by Gould Modicon. It allows the PC to operate as a MODBUS master device, polling a connected slave for data.
Cost / License
- Paid
- Proprietary
Platforms
- Windows

- 9 QModBus alternatives
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.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Windows
- Linux

A complete Modbus Master and Slave simulator in your browser. Read, write, and simulate registers with RTU serial and TCP/IP support. Parse datasheets with AI. Visualize data in real time.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)



- 9 Modbus Poll alternatives
Modbus Poll is a 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.
Cost / License
- Paid
- Proprietary
Platforms
- Windows

- 8 QModMaster alternatives
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.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux


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CAS Modbus Scanner is a utility to retrieve coils, inputs, holding registers, and input registers from a Modbus enabled device.
Cost / License
- Free
- Proprietary
Platforms
- Windows

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


Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Flathub
- Flatpak


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- 9 Modbus Slave alternatives
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.
Cost / License
- Paid
- Proprietary
Platforms
- Windows





























