Modbus library for RTU, ASCII and TCP protocols. Primarily developed on and for ESP32 MCUs.

A tokio-based modbus library

Golang Modbus Server (Slave)

PHP HI-REL SOCKET TCP/UDP/ICMP/Serial .高可靠性PHP通信&控制框架SOCKET-TCP/UDP/ICMP/硬件Serial-RS232/RS422/RS485 AND MORE!

NodeJS Modbus Stream

FreeMODBUS RTU port for STM32 HAL library

master modbus library for STM32 LL

Protocol tester for IEC60870-5-104 protocol

A modbus library for Go, with unified client and server APIs. One implementation to rule them all.

A Python module to simulate SCADA and RTU communication over protocol 60870-5-104 to research ICT behavior in power grids.

Python 8 Channel RS485 MODBUS RTU relay board type R421A08

A pure no-std Rust modbus library

Modbus to WiFi dev

MODBUS RTU library for STM32 STM8 AVR LPC & more

A lightweight framework for MODBUS RTU nodes in STM8 eForth that can do more than just I/O

Modbus TCP/IP server that translates incoming requests to RTU and relays them to configured serial device.

Free Modbus Slave Simulator in the form of a standalone Windows app supporting Modbus RTU, TCP, UDP and ASCIIoverRTU protocols. The simulator does allow setting values before the connection is established as well as running multiple instances of the app at the same time. Also included are Linux and Mac OS X Mono versions.

Tool for exploiting sixnet RTUs

ModBus RTU for Flipper Zero

Modbus client (TCP/RTU) over TCP/Serial for Go