Nagios Open Source network monitoring software - The Standard In ITM
Community-based GPL-licensed network monitoring system
A simple program to monitor your network/data usage
Application Performance Monitoring System
Manages, configures, and monitors Microsoft 365 tenant configurations
Ncurses-based monitoring application for wireless network devices
Datadog Go Library including APM tracing, profiling, and security
Vendor-neutral programmable observability pipelines
A network security analysis and monitoring toolkit Linux distribution.
Application Observability using eBPF
The Java agent for Apache SkyWalking
Open Source Monitoring System for performance and availability.
Network / Storage Monitoring Solution
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Monitor and Manage Wi-Fi
Monitoring and reporting web gui for Bacula
Firewall log analyzer
Enhanced Apache Server Status page - for one or multiple servers
MRTG-style bandwidth monitor for Windows, one PowerShell script
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
eBPF-based Cloud Native Monitoring Tool