Perl is a popular open-source scripting language.

• ActivePerl - ActiveState - free binary distribution of Perl for Linux, Solaris and Windows
• CPAN: Comprehensive Perl Archive Network
• Introduction to Perl on Windows - Web Developer's Virtual Library (WDVL)
• libwww-perl: WWW Protocol Library for Perl
• O'Reilly Perl Center
• Perl.com: The Source for Perl
• Perldoc.com - repository of documentation, including the bundled POD documentation that comes in every Perl distribution (i.e. manpages, faqs, core modules, utilities...), documentation of all modules available at the Comprehensive Perl Archive Network (CPAN) and other documentation
• Perl Journal
• perljvm - The Perl to Java Virtual Machine Compiler
• Perl Mongers
• use Perl: All The Perl That's Practical to Extract and Report