Azure Network Watcher - Azure Network Watcher provides multiple features to help you visualize key parameters, track, troubleshoot, and activate or deactivate logs for resources in an Azure virtual network.

Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.

Obkio - Simple Network Monitoring and Network Troubleshooting software to empower users to identify and troubleshoot network & application slowdown from the end-user perspective.

LANState - LANState - Network Mapper and Device Monitor

SevOne - SevOne provides network managers with monitoring, troubleshooting, and performance reporting capabilities.

Nagios - Complete monitoring and alerting for servers, switches, applications, and services