ATG Dust is available in two formats. You may either download a pre compiled jar file containing classes or you may check out the entire project from SubVersion.
ATG Dust source code is available at the following URL:
svn checkout https://atgdust.svn.sourceforge.net/svnroot/atgdust/trunk atgdust
ATG Dust is also available precompiled including source. The current version is 1.0. You can download it from HERE .