Artifactory [1] is a Maven 2 Enterprise Repository Manager and Proxy. Enables local deployment of accessible, browsable, secured, and backed up maven2 repositories.
Artifactory (Apache License V2.0) is written in Java and its WebGUI is based on Apaches Wicket. Artifactory 2.0 has just been released. See the release annoucement and try out the demo.
It can be downloaded on SourceForge.net.
There are a few tools which privide this functionality, but these two looking very promising:
jdeb [1]: This library provides an Ant task and a Maven plugin to create Debian packages from Java builds in a truly cross platform manner. Build your Debian packages on any platform that has Java support. Windows, Linux – it does not require additional native tools installed. The API underneath is well abstracted can easily be adopted for other areas as well.
ant-deb-task [2]: An Ant task that allows you to create debian .deb packages on any platform where Java is available.
[1] http://vafer.org/projects/jdeb/
[2] http://code.google.com/p/ant-deb-task/