CGI::Ajax is a perl module to make it trivial to write AJAX scripts using Perl. The module is object-based Perl, and creating a link from a javascript event to your Perl code is as easy as defining the javascript function name to Perl subroutine name mapping.
Can be used to link any Perl code to an HTML event, including fetching other URLs ... Read Article.
Perljax provides a unique mechanism for using perl code asynchronously from javascript using AJAX to access user-written perl functions/methods. Perljax unburdens the user from having to write any javascript, except for having to associate an exported method with a document-defined event (such as onClick, onKeyUp, etc). Only in the more advanced ... Read Article.