Monitornator - Server monitoring made simple

NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar

OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.

TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.

NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.

Network Lights - Network Lights is a Windows program, which blinks keyboard LEDs (Light Emitting Diode) indicating outgoing and incoming network packets on network interface.