Apps similar to Busscope include CoreBus, which is free and open source. Other options are ModbusScope, ModSim, QModBus and ModScan. You can choose from more than 10 apps like Busscope for Windows, Linux, Mac and the web.
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.
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 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.
Denmark
EU
Cross-platform Modbus TCP software combines network scanning, multi-device register monitoring, live charts, change highlighting, configurable scaling and formulas, derived values, protocol inspection, and concurrent data logging to CSV, JSON, or tab-delimited files. Workspaces save devices, sessions, and charts.
NetherlandsEU
Modbus master/slave tool for Windows with drag-and-drop HMI dashboards, data logging, alarms and Structured Text scripting.
EstoniaEU
