This is Perl module PlackX::RouteBuilder. INSTALLATION PlackX::RouteBuilder installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan PlackX::RouteBuilder Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION PlackX::RouteBuilder documentation is available as in POD. So you can do: % perldoc PlackX::RouteBuilder to read the documentation online with your favorite pager. dann