Zeek is a powerful network analysis framework
A full packet capturing, indexing, and database system
SQL operating system instrumentation and monitoring framework
A utility to safely generate malicious network traffic patterns
Free and Open Source network access control (NAC) solution
Database connection pool written in Java
Application Performance Monitoring System
Apache HertzBeat(incubating) is a real-time monitoring system
Monitor and troubleshoot transactions in complex distributed systems
Install java, groovy and native applications as services or daemons
Intelligently block brute-force attacks by aggregating system logs
Full-featured enterprise network management tool
Enhanced Apache Server Status page - for one or multiple servers
Graphical network monitoring and documentation tool
A Java based fault and performance management system
CLI tool which provides ability to send messages to multiple platforms
Firewall log analyzer
FlowViewer is a web-based netflow data analysis tool.
JENNOM - Java Enterprise Network Nodes Monitor