Open Source Monitoring System for performance and availability.
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Nagios Open Source network monitoring software - The Standard In ITM
Enhanced Apache Server Status page - for one or multiple servers
Monitoring and reporting web gui for Bacula
Firewall log analyzer
Fritz!Box SmartHome Monitoring with PRTG and AHA-Interface
Painel de Monitoramento em PHP/MySQL
free netflow analyzer
A tool that helps users see all their PC WiFi passwords at a glimpse.
Enterprise-class, distributed monitoring solution for networks & apps
Xplico is a Network Forensic Analysis Tool (NFAT)
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
OPTOSS Next Gen Network Management System (NG-NetMS)
REST interface and configuration GUI for Nagios
Webinterface to (un)ban IPs in Fail2Ban
PotHead
Open source tool to monitor your servers and websites
Open Source SIEM
Netflow visualisation and investigation tool