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