DragonInjector is open source!
If you're interested in the software source code, you can head over to http://source.dragoninjector.com to take a look and begin modifying it to your needs. If you make anything cool with it, be sure to let me know!
Hardware sources will be released with the first injection-molded batch. This will include gerbers, 3D models, BOM, and the programming jig design.