How to: Industrial automation
* [locka99/opcua](https://github.com/locka99/opcua) - A [OPC UA](https://opcfoundation.org/about/opc-technologies/opc-ua/) library.
* [slowtec/tokio-modbus](https://github.com/slowtec/tokio-modbus) - A [tokio](https://tokio.rs)-based [modbus](https://www.modbus.org) library.