Self-hosted, lightweight server and website monitoring and O&M tool
Open source APM: OpenTelemetry traces, metrics, and logs
Nagios Open Source network monitoring software - The Standard In ITM
Lightweight network IP scanner
Elastic APM .NET Agent
Datadog Go Library including APM tracing, profiling, and security
Scouter is open source APM (Application Performance Management) tool
Cross-platform application monitoring and error tracking software
The Active Monitoring System
Bandwidth monitor and rate estimator
BGP and RPKI monitoring tool
Open-source systems performance monitor
Manages, configures, and monitors Microsoft 365 tenant configurations
Ncurses-based monitoring application for wireless network devices
Sentry SDKs for JavaScript
A simple program to monitor your network/data usage
Elastic APM Java Agent
Open source monitoring system and time series database
AgentGuard is a firewall for AI agents
The open source, full-stack monitoring platform
sp_whoisactive
Apache HertzBeat(incubating) is a real-time monitoring system
A fancy self-hosted monitoring tool
A Python based monitoring and tracking tool for Plex Media Server
Vendor-neutral programmable observability pipelines