If you can get your hands on the rpm file and you cannot find a .deb debian package in any of the Ubuntu repositories or elsewhere, you can still install this pacage using the alien package converter application. This article is going to show just how to do this. More here
Alien is a program that converts between the rpm, dpkg, stampede slp, and slackware tgz file formats. If you want to use a package from another distribution than the one you have installed on your system, you can use alien to convert it to your preferred package format and install it.