Perl 5 is a highly capable, feature-rich programming language
with over 28 years of development.
Learn more about Perl.
The sources for perl can be downloaded from CPAN.
Binary distributions of perl for some operating systems can be downloaded here. At the moment only VMS binary kits are available. There are other places to download perl for HP-UX and Windows. Most linux and BSD distributions already include a version of Perl.
A special source tarball for perl on z/OS is available as well. The z/OS porters welcome all tests and feedback to keep this port viable.