Open source on the IBM i has come a long way since the days of Perl on the AS/400. Today, the "garden" of open source application development tools is diverse and thriving, thanks to an active community and the growing popularity of solutions like XMLSERVICE, Ruby/Rails, PHP, Python, Node.js, and Apache Tomcat. If you've wanted to explore any of these technologies, to see how open source might expand your application possibilities-or your development...