Community-based GPL-licensed network monitoring system
Open Source Monitoring System for performance and availability.
Nagios network monitoring software is enterprise server monitoring
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
free netflow analyzer
Proxy Cache and Web filtering Appliance
Firewall log analyzer
Enhanced Apache Server Status page - for one or multiple servers
Monitoring and reporting web gui for Bacula
Painel de Monitoramento em PHP/MySQL
Enterprise-class, distributed monitoring solution for networks & apps
TACACS+ server for network devices
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
OPTOSS Next Gen Network Management System (NG-NetMS)
inventory, asset management network monitoring and backup appliance
Open source tool to monitor your servers and websites
Open Source SIEM
Netflow visualisation and investigation tool
Open source voucher management / hotspot system