Cross-platform multi-protocol VPN software
Open Source Monitoring System for performance and availability.
Nagios Open Source network monitoring software - The Standard In ITM
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Anti Spam SMTP Gateway
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
One of the most advanced DNS Proxy and DNS Firewall in one product.
Linux Server and Data-Center WAN Optimization
Pen is a load balancer for udp and tcp based protocols.
Scalable, distributed monitoring system for high-performance computing
User Computer and IP Address Tracking
LLMNR responder daemon for IPv6 networks
Two-factor authentication system
Show server load-average chart and run pre-define command remotely
Weblooker monitors serveral services on multiple systems for their sta
something that writes code for you
Logs IP to IP contact, number of packets, bytes.