VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
The Network UPS Tools repository
Nagios Open Source network monitoring software - The Standard In ITM
Xymon monitors your hosts, your network services, and everything else.
Enterprise-class, distributed monitoring solution for networks & apps
Apache module for SNMP monitoring
Monitor Apache using SNMP
The Internet of Things
A high-performance and stable proxy for MySQL
BGPHist stores MP-BGP updates activity and history into a database.
ss7mon an SS7/SIGTRAN signalling monitor