You can download the ADPAA file from Airborne Data Processing and Analysis (ADPAA).

* Current knowledge is limited to Windows - Update with discovery *

Using the link above (Under Download), you can access the ADPAA repository on the Source Forge website by using the “Code” tab, selecting the folder “trunk,” then “src.” Alternatively, to access the repository on your personal device outside of Source Forge, you can download a subversion client.