SolaX Power Modbus custom_component for Home Assistant (Supports some AlphaESS, Growatt, Sofar, Solinteg, Solis, SRNE, Swatten)
Modbus library for RTU, ASCII and TCP protocols. Primarily developed on and for ESP32 MCUs.
Cross-platform Modbus toolkit (PySide6): master client with register table, polling, live graphs, alarms and bus scanner; device simulator (slave) with register map and expression rules; passive RTU sniffer. EN/RU UI.