There are currently three documentations available:

1. the overview (get an impression about "PeerLo") , in english
2. the user-documentation (Installation, "how-to-use"), in german
3. the developer-documentation (description of classes), in german




For taking a look at these, you´ll need the Acrobat Reader.
You can get it at:
http://www.adobe.com/products/acrobat/readstep2.html