Is your host up or down?
Collects data about network useage using libpcap.
Captive portal and access control manager for Linux-based hotspots
Show server load-average chart and run pre-define command remotely
Dashboard of network top-talkers using netflow sources
Network Intrusion Detection and Full Packet Capture System
Easy to use firewall for linux beginners.
Weblooker monitors serveral services on multiple systems for their sta
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Monitoring your infrastructure for free.
GLPI plugin to import GLPI connected host into Zabbix
Access your network through the Web
WatchTower is a cloud server monitoring and management tool
project no longer maintained