gnunet-qt 1:0.8.1a-3 (sparc binary) in ubuntu maverick

 GNUnet is a peer-to-peer framework which focuses on providing security. All
 link-to-link messages in the network are confidential and authenticated. The
 framework provides a transport abstraction layer and can currently encapsulate
 the peer-to-peer traffic in UDP, TCP, or SMTP messages.
 .
 This package contains the graphical client, using the Qt toolkit. In order use
 GNUnet, you also need gnunet-server either on your server or on your local
 machine.