modbus-server topic
modbus-esp8266
Most complete Modbus library for Arduino. A library that allows your Arduino board to communicate via Modbus protocol, acting as a master, slave or both. Supports network transport (Modbus TCP) and Se...
modbus-cpp
Modbus master and slave implementation in C++
Modbus-TCP
Modbus TCP client library to interact with Modbus servers such as PLCs.
ModbusRTUSlave
This is an Arduino library that implements the slave/server logic of the Modbus RTU protocol.
OpenModSim
Open ModSim is a Free Modbus Slave (Server) Utility
ModbusTools
ModbusTools are cross-platform (Windows, Linux) Modbus simulator tools (client and server) with GUI to work with Modbus protocol (TCP,RTU,ASCII)
modbus-relay
Modbus TCP/IP server that translates incoming requests to RTU and relays them to configured serial device.