libqt4-ruby1.8-dev 4:4.2.90-0ubuntu1 (amd64 binary) in ubuntu karmic

 This package contains the files necessary for running and developing
 Ruby code using the Qt 4 Ruby bindings.
 .
 It also includes some example programs that make use of these bindings,
 plus many of the Qt 4 Tutorial examples translated into Ruby.
 .
 This package is part of the official KDE 4 bindings module.