www.perl.org: Perl Mongers, ''The Perl Advocacy People''. The umbrella organization for the various regional Perl Mongers groups, also know as perl user groups.

www.perl.com: "The Source For Perl", by O'Reilly publishing. Articles and information about perl development and conferences.

use.perl.org: News and articles about happenings in the perl world.

cpan.perl.org: The Comprehensive Perl Archive Network. The central repository for open-source perl libraries and modules.