Apache HertzBeat(incubating) is a real-time monitoring system
A Java based fault and performance management system
JENNOM - Java Enterprise Network Nodes Monitor
Enterprise-class, distributed monitoring solution for networks & apps
A modern graphical SSH client
Continuously monitor server connections
Easily monitor network infrastructure services
Standalone web application allowing to monitor end points availability
Software, Server and Application Monitor
Monitoring of websites with spider and email notifications
Monitor your GNU/Linux server with your smartphone
Poll JMX attributes from Java based applications with Nagios
ICMP ping for Java
Web based management tool for unixes