Web Client Programming with Perl - http://www.oreilly.com/openbook/webclient/ Full text of the out-of-print book by Clinton Wong.
Perl for the Web - http://www.globalspin.com/thebook/ On-line (and print) book by Chris Radcliff about creating fast dynamic Web sites with Perl.
Maypole - http://maypole.perl.org/ Perl framework for MVC-oriented web applications, designed to minimize coding requirements for creating simple web interfaces to databases, while remaining flexible enough to support enterprise web applications.
Catalyst - http://catalyst.perl.org/ "The elegant MVC framework". Designed with flexibility in mind, it lets the user choose among a variety of storage models, templating systems, web servers, and operating systems.
Mason HQ - http://www.masonhq.com/ Mason is a Perl-based web programming language. Among other things, it allows Perl to be embedded in HTML.
Jifty - http://jifty.org/ A way to build web applications based on the DRY ("don't repeat yourself") principle.
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