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