Database monitoring agent for zabbix
Network traffic analysis from PCAP format
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
Provides situational awareness of Industrial Control Systems (ICS)
PotHead
Standalone web application allowing to monitor end points availability
Open source tool to monitor your servers and websites
Open Source SIEM
Scalable, distributed monitoring system for high-performance computing
IP Monitor notifies you when your public IP address changes
Webbased Dashboard to show the status of your IT infrastructure
A SNMP agent for Cacti
Monitoring of websites with spider and email notifications
single file multi-purpose multi-platform shell written in php