iec2modbus is open-source Modbus RTU (serial) to IEC 60870-5-104 (TCP) gateway for linux system. Based on lib60870-C, libmodbus, json-c, slog. Modbus RTU run as master and iec104 as slave (server).
Features:
Small footprint - suitable to run on embedded devices and SBCs like Raspberry Pi
Multi-master - multiple IEC104 TCP clients can access to gateway
Flexible RTU modes - speed/parity/stop-bits can be configured for RTU network
Multi-serial - working with multiple serial buses at the same time