Contributions

Library
A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements
Library
Header-only C++14 library for getting addresses associated with network interfaces without name lookups on Windows, macOS, Linux, and FreeBSD
Library
CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
Library
Hierarchical Engine for Large-scale Infrastructure Co-Simulation (HELICS)