Community-based GPL-licensed network monitoring system
A network security analysis and monitoring toolkit Linux distribution.
Laravel Pulse is a real-time application performance monitoring tool
Nagios Open Source network monitoring software - The Standard In ITM
Open Source Monitoring System for performance and availability.
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Enhanced Apache Server Status page - for one or multiple servers
Monitoring and reporting web gui for Bacula
Firewall log analyzer
teemIP : Open source IPAM & DDI solution with CMDB integration.
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)
PCAP from another point of view
A powerful network security tool, easy, safe and totally free.
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers