Charles Charles is an HTTP proxy that enables a developer to view all of the HTTP traffic between their machine and the Internet. Also simulates different connection bandwidths.
GFI LANguard Security Event Log Monitor Performs event log based Intrusion detection and network wide event log management. Archives & analyses event logs of all network machines and alerts you in real time to security issues & attacks.
EMCO Ping Monitor Free Free hosts monitoring tool to track connections and notify on lost/restore
iWeb Watcher check the online status of your servers