CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Firewall log analyzer
Nagios Open Source network monitoring software - The Standard In ITM
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open Source Monitoring System for performance and availability.
Enterprise-class, distributed monitoring solution for networks & apps
Xplico is a Network Forensic Analysis Tool (NFAT)
Linux Server and Data-Center WAN Optimization
The Internet of Things
Two-factor authentication system
Collects data about network useage using libpcap.
Hierarchical Cluster Engine project
something that writes code for you