What do you do when a package doesn't exist in Debian? There are several options. One mentioned previously is to add non-Debian repositories to the repository configuration. After a Synaptic refresh, apt-get, or aptitude update, all of the package information in the repository will be available to the Debian package managers.
If, however, the software isn't included in any repository, there are a couple of options available.
There is actually one additional option: just install such software from its original source. This technique is not recommended because it places the software completely outside of the package management system. Future system upgrades that involve required libraries can cause the software to behave strangely or even break completely, and finding the reason can be quite frustrating. This technique should be used as a last resort only.
