pgrock is an opensource Ngrock alternative written in Perl using Mojolicious framework.Currently this is in an experimental phase, so it is not suitable for a production environment. If you are a Perl hacker, you can give a try :D
cpanm Mojolicious Docker::Names::Random
perl -Ilib/ bin/pgrock
Copyright (c) 2021 Prajith. Perl 5 license. See http://dev.perl.org/licenses/.