The Plague provides a web UI to a MySQL db of parsed syslog data. The focus has been security reporting. The logs supported (so far) are NetScreen firewalls, Cisco routers and switches and PIXen, Gauntlet firewalls.
jRouter is a Web-based Linux router management system. It's designed to be a simple all-in-one router setup and management utility. Allows configuration of network interfaces, dhcpd, iptables, port forwarding, IP/MAC address filters.