ZABBIX is an enterprise-class distributed monitoring solution designed to monitor and track performance and availability of network servers, devices, and other IT resources. It supports distributed and Web-based monitoring, auto-discovery, real-time monitoring, SLA assurance, trending, and more.
Node Runner is a network monitor which is designed to contact network nodes in a specific order based on the hierarchy of your network. If a node does not respond, each of its parents are systematically checked until the true problem is identified. Node Runner uses a shell script for its network polling, a Web interface for node information, reports, etc., and utilizes abstraction layers for database support.
Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and grids. It is based on a hierarchical design targeted at federations of clusters. Ganglia is currently in use on over 500 clusters around the world and has scaled to handle clusters with 2000 nodes.
NetworkLens is designed to be a simple-to-use Web-based application for Network Operation Center (NOC) personnel to monitor, capture, and document problems that are reported within the network being managed. It has a central pool of event notifications with a flexible architecture that allows for several different sources of alerting information. Similar to the input mechanism, output mechanisms (reporting agents) can monitor the central pool of event notifications and email alerts to interested parties. This saves the NOC personnel from having to continuously monitor systems; rather, they can simply respond to email alerts.
Just For Fun Network Management System is a PHP-based network management system that features an integrated syslog, Tacacs, TFTP configuration downloading, SNMP polling, SNMP traps, journalling, auto-discovery, performance graphs (RRD), SLAs, and a lot more. It uses MySQL or PostgreSQL as the backend and works under Linux and Windows.
PHPX is a Web portal system, blog, Content Management System (CMS), forum, and more. It is designed to allow everyone to be able to have feature-rich, interactive websites even if you do not know a bit of programming. Some key features include fully-integrated forums, downloads, an image gallery with slideshow and auto-thumbnailing, support ticket system, a GUI interface for Web page content management, news with topics and instances, and a whole lot more. It allows you to fully customize the look of your site.
amavis-notify-parser analyzes hostmaster notifications from Amavis and writes a logfile which records the type and origin of the viruses detected. It requires only a piped mail alias, a PHP4 CGI binary, and Amavis. McAfee uvscan and Sophos are supported as virus scanners. The logfile may be output in the qmailscanner format.
IPTables log analyzer displays Linux 2.4 iptables logs (rejected, accepted, and masqueraded packets) in a nice HTML page. The reports it produces are easy to read and understand, reducing the manual analysis time. They contain statistics on packets and links to more detailed information on a given host, port, or domain.