If you like to be a network and system administrator geek you must know about the security and network monitoring tools available and being used in the market for a better chance to survive in this competitive market. This is a vast variety of tools available and I would like to share few of them over here, you can find a complete list here.
Network Monitoring Platforms
Aggregate Network Manager is an enterprise-grade network/application/performance monitoring platform. It tightly integrates with other smart building management systems, such as physical access control, HVAC, lighting, and time/attendance control.
Commercial Monitoring Tools, not integrated with an NMP
ActivXperts Network Monitor monitors servers and workstations in your LAN and WAN. The software monitors Windows, UNIX, LINUX and Novell servers for availability.
Network Security Monitoring Tools
Net Detective iPhone application Using low level techniques common to NMap and other powerful network auditing tools, NetDetective will expose open TCP ports, UDP ports, and UPnP/Bonjour services running on your network.