Yes, there are some resources available for programming chatbots in Perl. Here are a few options:
Chatbot-Eliza-Perl: This is a simple implementation of the famous ELIZA chatbot in Perl. You can check out the code on GitHub and use it as a starting point for your own chatbot: https://github.com/ogdude/Chatbot-Eliza-Perl
AI::MegaHAL: This is a Perl module that provides an interface to the MegaHAL conversation engine. This module allows you to create your own chatbot by training it on a corpus of text data. You can find more information about this module on CPAN: https://metacpan.org/pod/AI::MegaHAL
Chatbot::Simple: This is another Perl module that provides a simple interface for creating chatbots. It allows you to define a set of rules for how your chatbot should respond to user input. You can find more information about this module on CPAN: https://metacpan.org/pod/Chatbot::Simple
Perl Maven: This site has a tutorial on how to create a simple chatbot in Perl using the Chatbot::Simple module: https://perlmaven.com/simple-chatbot-in-perl