Modbus GitHub Repositories (2026) · Open Source Tools

smart charging ☀️🚘

A Modbus library for Linux, Mac OS, FreeBSD and Windows

PLC4X The Industrial IoT adapter

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

Web-based Process Visualization (SCADA/HMI/Dashboard) software

Monitors an Outback MATE, Renogy Rover - MPPT Charge Controller and EPEver Tracer. Integrates with Grafana, PVOutput and more!

Modbus TCP, Modbus TCP Security, Modbus RTU on Serial, and Modbus RTU on TCP for Java 17+.

Open ModScan is a Free Modbus Master (Client) Utility

A portable and scalable SCADA/IIoT-I4.0/Gateway platform centered on the MongoDB database server.

HiveMQ Edge is an MQTT gateway that enables interoperability between OT devices and IT systems. It translates diverse protocols into MQTT for streamlined communication and helps organize data into a unified namespace, making managing and streaming data across your infrastructure easier.

ESPHome component to monitor a Seplos Battery Management System (Seplos-BMS) via UART, RS485 or BLE

An industrial connectivity edge application translating from proprietary protocols to OPC UA leveraging the W3C Web of Things (WoT) thing descriptions.

ModbusScope logs data for analysis using the Modbus protocol.