adminlynn@Lynnux-Dell:~$ apt-cache search libjson-perl
devscripts - scripts to make the life of a Debian Package maintainer easier
libjson-perl - module for manipulating JSON-formatted data
libjson-xs-perl - module for manipulating JSON-formatted data (C/XS-accelerated)
libjson-pp-perl - module for manipulating JSON-formatted data (Pure Perl)