RJStats assists in network and host monitoring by creating many graphs of your servers using rrdtool. These graphs can be viewed using a web browser in any combination you would like to see them.
Green Screen: A Linux based Advanced Syslog Server for Juniper NetScreen Firewalls - Can be expanded later to support other products. It can capture syslog messages, parse them, store them in a MySQL database. A Web GUI interface is also included.