xtensor is a C++ library meant for numerical analysis with multi-dimensional array expressions.
{fmt} is an open-source formatting library providing a fast and safe alternative to C stdio and C++ iostreams.
gsl-lite is an implementation of the C++ Core Guidelines Support Library originally based on Microsoft GSL.
The OpenMC project aims to provide a fully-featured Monte Carlo particle transport code based on modern methods.
The NJOY Nuclear Data Processing System is a modular computer code designed to read evaluated data in ENDF format, transform the data in various ways, and output the results as libraries.
OpenMOC is a Method of Characteristics (MOC) neutral particle transport code for reactor physics criticality calculations.