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
Elastic APM .NET Agent
Lightweight network IP scanner
Datadog Go Library including APM tracing, profiling, and security
Real-time Claude Code usage monitor with predictions and warnings
The Active Monitoring System
CLI tool for configuring and monitoring Claude Code
Cross-platform application monitoring and error tracking software
Scouter is open source APM (Application Performance Management) tool
sp_whoisactive
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
BGP and RPKI monitoring tool
A Python based monitoring and tracking tool for Plex Media Server
The core of our monitoring platform
The Python Code Tutorials
Vendor-neutral programmable observability pipelines
Open source monitoring system and time series database
The open source, full-stack monitoring platform
Apache HertzBeat(incubating) is a real-time monitoring system