What is "activeperl"

ActivePerl is a distribution of Perl from ActiveState (formerly part of Sophos) for Windows, Mac OS X, Linux, Solaris, AIX and HP-UX.

A few main editions are available, including: standard (free), enterprise and OEM. It includes a version of the Perl package manager (PPM) for installing packages from CPAN, etc.

The Windows version includes an Active Scripting component for Windows Script Host (WSH) called PerlScript and an ISAPI module for embedding within Internet Information Services (IIS).