The 5.1 version of Perl for Mac is provided as a free download on our software library. This free software for Mac OS X was originally developed by Aaron Faby. Our built-in antivirus checked this Mac download and rated it as virus free. The size of the latest downloadable installer is 16.5 MB. The application belongs to Developer Tools.
From the developer:
Perl 5.8.0 includes many new features and bug fixes. This update is installed with a Mac OS X Package Installer, and does not interfere with the Perl installed with the operating system.
You may want to check out more software for Mac, such as Perl Critic, Eclipse Perl or QuickPerlTester, which might be similar to Perl.