Tool to search system for log4j-*.jar files

Lightweight low footprint cross-platform C/C++ library for processing command line arguments and showing command line help

Command line utility to display date/time

XLSX I/O - C library for reading and writing .xlsx files

Cross-platform C library for recursively traversing directory contents

Cross-platform C library for finding (and replacing) multiple patterns in a stream of data (using the pcre2 library).