Adat is a software packages composed of a suite of various analysis packages. Included are some fitters and analysis code for output from Chroma.
Recent news about software releases are available. There is a text and an html version of the ChangeLog available.
The latest releases of ADAT and SciDAC software can be found on the the USQCD Software page down in the the release directory. Direct source code access instructions via CVS are here. There is also a software snapshot of the CVS head revision, and there is also CVS statistics.