Sniffs ICQ, AIM, IRC, MSN and email messages across a LAN in real time. Includes ARP spoofer which allows you to capture network traffic behind switch-hubs. Includes Windows and Linux versions.
A secure Instant Messaging client, working by Peer-to-Peer technology. It is fully decentralized and does not require any servers. Supports public-key cryptography. Requires installing .NET-Frameworks.