Perl is a robust object-oriented open source programming language invented by Larry Wall. It is by far the most widely used language powering the Web, and has been quoted as "the duct tape of the Internet". Perl supports both procedural and object-oriented software development, making it useful for small scripts to large projects. The current production version is 5.6, with 5.7 in beta development.

The Open3.org Perl language adapter is currently in the initial phases of design and development. The goal of this project is to create an interface to the JMS API using the Perl language. Ultimately, developers will be able to create Open3.org JMS clients using JMS-like syntax in Perl. This will permit software products developed in Perl to natively tap into the integration capabilities of the Open3.org platform.