TheSchwartz (itself)
Data::ObjectDriver
  DBI
  Class::Accessor::Fast (libclass-accessor-perl)
  Class::Trigger (libclass-trigger-perl)
     libio-stringy-perl
     Class::Data::Inheritable
  List::Util
  Test::Exception -- build_requires (libtest-exception-perl)

Digest::MD5
Storable

Gearman::Server

Danga::Socket
Sys::Syscall

JSON::Any
JSON

----
Perl client:
   Gearman::Client
   String::CRC32