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ModbusPal
Java MODBUS simulator with scriptable functions and dynamic resource creation.
ModbusPal
Java MODBUS simulator with scriptable functions and dynamic resource creation.
Data verified Jun 2026
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ModbusPal is a MODBUS slave simulator written in Java that offers an easy-to-use interface to reproduce complex and realistic MODBUS environments. It supports TCP/IP natively and serial communication with the RxTx library. Users can write external scripts for custom functions and utilize the 'Learn' mode to dynamically create resources as it receives MODBUS requests. ModbusPal is free and open source under the GPL license.
ModbusPal FAQ
Common questions about ModbusPal including features, pricing, alternatives, and user reviews.
ModbusPal is Java MODBUS simulator with scriptable functions and dynamic resource creation. It is a Cyber-Physical Security solution designed to help security teams protect their infrastructure.
ModbusPal is a free Cyber-Physical Security tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://modbuspal.sourceforge.net/ for download and installation instructions.
Popular alternatives to ModbusPal include:
1.TXOne OT Security - OT zero trust security platform for industrial control systems (Commercial)
2.Cyolo Remote Privileged Access - Remote privileged access solution for OT/ICS and cyber-physical systems (Commercial)
3.HiveMQ HiveMQ Platform - Industrial data platform for streaming operational data using MQTT protocol (Commercial)
4.Endian 4i - Industrial security gateway for OT environments with ruggedized hardware (Commercial)
5.Trend Micro Industrial Network Security - ICS/OT network security solution with IPS, firewall, and segmentation (Commercial)
Compare all ModbusPal alternatives at https://cybersectools.com/alternatives/modbuspal
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