QModBus Alternatives

QModBus is described as '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' and is an app. There are eight alternatives to QModBus for Windows, Linux, Flathub and Flatpak. The best QModBus alternative is ModScan. It's not free, so if you're looking for a free alternative, you could try QModMaster or CAS Modbus Scanner. Other great apps like QModBus are ModSim, Modbus Slave, ModbusScope and Modbus Poll.

QModBus

Free • Open Source

QModBus is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy...

More about QModBus

QModBus alternatives page was last updated Jul 5, 2024

ModScan
1 like
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.
8 ModScan alternatives
License model
- Paid • Proprietary
Platforms
- Windows
ModScan VS QModBus
Is ModScan a good alternative to QModBus?
- ModScan is the most popular Windows alternative to QModBus.
- ModScan is the most popular commercial alternative to QModBus.
- ModScan is Paid and ProprietaryQModBus is Free and Open Source

ModSim
1 like
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.
8 ModSim alternatives
License model
- Paid • Proprietary
Platforms
- Windows
ModSim VS QModBus
Is ModSim a good alternative to QModBus?

QModMaster
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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.
7 QModMaster alternatives
License model
- Free • Open Source
Platforms
- Windows
- Linux
QModMaster Features
Modbus
Serial-port
+1
QModMaster VS QModBus
Is QModMaster a good alternative to QModBus?
- QModMaster is the most popular Linux alternative to QModBus.
- QModMaster is the most popular Open Source & free alternative to QModBus.
- QModMaster is Free and Open SourceQModBus is also Free and Open Source

Modbus Slave
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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.
8 Modbus Slave alternatives
License model
- Paid • Proprietary
Platforms
- Windows
Modbus Slave VS QModBus
Is Modbus Slave a good alternative to QModBus?

CAS Modbus Scanner
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CAS Modbus Scanner is a utility to retrieve coils, inputs, holding registers, and input registers from a Modbus enabled device.
8 CAS Modbus Scanner alternatives
License model
- Free • Proprietary
Platforms
- Windows
CAS Modbus Scanner VS QModBus
Is CAS Modbus Scanner a good alternative to QModBus?

ModbusScope
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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.
4 ModbusScope alternatives
License model
- Free • Open Source
Platforms
- Windows
- Linux
ModbusScope Features
Data visualization
Modbus
Logging
ModbusScope VS QModBus
Is ModbusScope a good alternative to QModBus?

Modbus Poll
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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.
8 Modbus Poll alternatives
License model
- Paid • Proprietary
Platforms
- Windows
Modbus Poll VS QModBus
Is Modbus Poll a good alternative to QModBus?

SHM Modbus
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A collection of applications to simulate a Modbus client.
7 SHM Modbus alternatives
License model
- Free • Open Source
Platforms
- Linux
- Flathub
- Flatpak
SHM Modbus Features
Dark Mode
Ad-free
Modbus
+7
SHM Modbus VS QModBus
Is SHM Modbus a good alternative to QModBus?