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
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Xplico is a Network Forensic Analysis Tool (NFAT)
Linux Server and Data-Center WAN Optimization
MSN compatible messenger application
Two-factor authentication system
Hierarchical Cluster Engine project
something that writes code for you
PHP based interface for configuring PROFINET IO-devices