Self-hosted, lightweight server and website monitoring and O&M tool
Open source APM: OpenTelemetry traces, metrics, and logs
Concise networking code leveraging async-await, Decodable & Generics
Nagios Open Source network monitoring software - The Standard In ITM
Cross-platform application monitoring and error tracking software
The Active Monitoring System
Datadog Go Library including APM tracing, profiling, and security
Monitor temperature sensors, fan speed, voltage, load & clock speeds
Manages, configures, and monitors Microsoft 365 tenant configurations
Lightweight network IP scanner
Elastic APM .NET Agent
CLI tool for configuring and monitoring Claude Code
Scouter is open source APM (Application Performance Management) tool
Real-time Claude Code usage monitor with predictions and warnings
Ncurses-based monitoring application for wireless network devices
Vendor-neutral programmable observability pipelines
Sentry SDKs for JavaScript
Open source monitoring system and time series database
BGP and RPKI monitoring tool
sp_whoisactive
Open-source systems performance monitor
Application to comfortably monitor your Internet traffic
The open source, full-stack monitoring platform
Application Observability using eBPF
Apache HertzBeat(incubating) is a real-time monitoring system