AWStats Enterprise Manager is a tool for managing awstats configuration creation and logfile processing, in a multi-server environment. This script is designed to pull all the webserver logs, for every server, and parse them with awstats.
Pace Check is a utility that searches through system logs and finds cases where someone has tried to gain access to your server (non-legit), then it saves them to a log, mails them to you, or sends them to stdout. It supports http, ftp, and others.
An application that centralizes UNIX system status information from several machines into one web-accessible interface. A daemon gathers system stats and reports them stats via HTTP to a server which presents the most recent stats via a web page.