GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...

ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.

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

Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

NetWorx - NetWorx is a simple and powerful tool that helps you objectively evaluate your bandwidth situation.

AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.