ProxyFuzz is a man-in-the-middle non-deterministic network fuzzer written in Python. ProxyFuzz randomly changes (fuzzes) contents on the network traffic. It supports TCP and UDP protocols and can also be configured to fuzz only one side of the communication. ProxyFuzz is protocol agnostic so it can randomly fuzz any network communication.
The video shows ProxyFuzz proxying traffic [...]

http://www.top500.org/stats/list/29/osfam

http://desktop.google.com/linux/
Good news for linux users. But it’s only for i386 playform meaning I can’t get my ubuntu Amd64 install it. Hopefully they will release a 64 bit version too.

https://lists.ubuntu.com/archives/ubuntu-devel-announce/2007-June/000311.html
Tribe 2 is the second in a series of milestone CD images that will be
released throughout the Gutsy development cycle. The Tribe images are known
to be reasonably free of show-stopper CD build or installer bugs, while
representing a very recent snapshot of Gutsy.