YAML::Perl
     
     * Port of Python's PyYAML to Perl
     * Line for Line port
     * 16 Python Modules
     * 6000 lines of Python
     * libyaml is a port of PyYAML
       * YAML::Perl should match YAML::XS
     * SnakeYAML for Java
     * PyYAML is Reference Implementation
     * Full YAML Stack Access
     * Detailed error messages