Best Monitoring & APM GitHub Repositories

.NET Components for Externalized Configuration, Database Connectors, Service Discovery, Logging and Distributed Tracing, Application Management, Security, and more.

:eyes: monitor & detect crashes in your Kubernetes(K8s) cluster instantly

Fast, open-source SSH client and server manager for macOS, Windows and Linux. Desktop GUI and terminal TUI with a live metrics dashboard, tabbed terminal, SFTP file manager, port forwarding, one-click SSH keys and snippets. Built in Rust.

🚀 A real-time monitoring dashboard for Claude Code & Codex, built with SQLite3, Node.js, Express, React, Vite, TailwindCSS, & WebSockets. It tracks sessions, agent activity, tool usage, and subagent orchestration, providing live analytics, a Kanban status board, status notifications, a cute buddy, & an interactive web UI/MacOS/Windows native app.

Sentry SDK for Ruby

Sudoless Apple Silicon system monitor (native SwiftUI GUI) with ANE / Media Engine / memory-bandwidth tracking

A network traffic monitoring application for OpenWrt

Client for Notifiarr.com

AI-native open-source alternative to Vercel + Sentry + PostHog + Pingdom + Resend + E2B. 440+ CLI operations with drop-in skills for Claude Code, Codex & OpenCode — deployments, analytics, session replay, error tracking, OpenTelemetry, email, sandboxes & AI gateway in one self-hosted Rust binary.

Sentry SDK for .NET

A high-performance proxy rotation engine with automated IP management and real-time health monitoring

Signal 18 repman - Replication Manager for MySQL / MariaDB / Percona Server

A modern, high-performance local file search and productivity tool for Windows. A sleek, customizable alternative to Everything and Listary built with C# WPF and NT Services, featuring instant NTFS MFT parsing, real-time USN monitoring, and plugin support.

Backend.AI is a streamlined, container-based computing cluster platform that hosts popular computing/ML frameworks and diverse programming languages, with pluggable heterogeneous accelerator support including CUDA GPU, ROCm GPU, Gaudi NPU, Google TPU, GraphCore IPU and other NPUs.

See what every AI coding agent on your machine is doing, and whether the API behind it is the one you paid for. Claude Code, Codex, Cursor, Gemini CLI and more: one endpoint for 44 model vendors, A–F API authenticity grading, per-agent permissions, usage and prompt records.

Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with multiple notification channels, status pages, IAC support via YAML, Prometheus integration, a complete REST API and many more!

ApplicationInsights-dotnet

Real-Time Open-source command center for MikroTik RouterOS v7. Streams live CPU, traffic, wireless clients, DHCP, WireGuard, firewall and geo connection data straight from the router API to your browser over a WebSocket. Alerts, reports, config management and zero-touch provisioning. One static Go binary, self-hosted, Docker-ready

Error tracking and logging from Javascript to Rollbar

A Home Assistant, native app for desktop/laptop devices.