The Register: Carnivore substitute keeps Feds honest: The Forensics Explorers division of CTX is ready to go to market with a Carnivore-like suite called NetWitness which, the company says, can enable ISPs to surrender to the Feds only those specific bits of information about a suspect which a court has authorized for collection.
Altivore is another good alternative for ISPs looking to keep the FBI out of their users’ hair, and it comes with source too.