* [libplctag v2.7.0](https://github.com/libplctag/libplctag) – C library providing a portable, simple API to read and write Allen-Bradley and Modbus PLC data over Ethernet. * [ethtool v0.6.1](https://github.com/mdlayher/ethtool) – Library for controlling Linux network device settings via the kernel generic netlink interface.