Perl Paraphernalia
By Mark-Jason Dominus. Perl Advanced Techniques Handbook (drafts). Hints, articles, Perl modules, programs.

Perl Monks
Contains tutorials, discussion forums, Perl poetry, obfuscated code, and a large code repository.

O'Reilly Network: Perl Weblog
Features links and commentary by a variety of authors.

Perl Quiz
Test your knowledge of Perl by answering 15 questions at basic, intermediate or advanced level. Questions change every time.

The Perl Institute
Non-profit organization dedicated to making the incredibly useful Perl language even more useful for everyone. Supports Perl creators, developers, maintainers, and users. Recently disbanded, and is being incorporated into the Perl Mongers.

dev.perl.org - Perl 6
The official site for the development of Perl 6, the next generation of the Perl programming language.

CPAN
The Comprehensive Perl Archive Network, the gateway to all things Perl. The canonical location for Perl code and modules.

O'Reilly Perl Center
Current and past products, resources, and news on O'Reilly and Associate's Perl involvement.

CodeHound Perl
Free Internet search engine for Perl developers. Search Web sites, CPAN, and even inside Zip/Tar/GZip files.

Perl Cabal
Humorous profiles of Perl luminaries.

Perl for Robot AI Minds
Artificial intelligence in Perl.

Perl Apprenticeship Site
Service that aims to connect people with lots of skill and experience, but little time, with people who have a desire to learn and free time, but not as much experience.

Perl/Tk Information and Resources
Important Perl/Tk links. Mastering Perl/Tk book incliding sample chapter, additinal content, reviews, sources, errata. Perl/Tk articles.

Perl.Com
The official Perl home page, run by O'Reilly. Contains documentation, news, and links to a variety of resources.

use Perl
General discussion of perl and issues relating to it, Perl news.