monitoring
LAN visibility and alerting tool for home networks and small offices. Self-hosted network visibility for discovering, organizing, and monitoring devices on your LAN.
LanGuard finds devices, tracks online and offline state, scans common ports, keeps network history, and can send Discord, Telegram, or automation webhook alerts when new devices appear.
every AI coding limit, in your menu bar. Show usage stats for OpenAI Codex and Claude Code, without having to login.
Track usage windows, credit balances, and reset countdowns across the AI tools you actually pay for.
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Docker and Kubernetes monitoring. One single container.
Docker monitoring that also covers your endpoints, SSL certificates, cron jobs, system resources and image updates. Live in seconds, zero configuration.
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A fast, open-source Postgres terminal written in Rust. 🦀🐘 Connect and monitor all your databases from one place — with pgbot built in for deeper diagnostics.
htop for all your Postgres databases — an interactive terminal UI that monitors every database you care about in one place, powered by pgbot's read-only diagnostics.
Gjallar is a modern monitoring and observability platform inspired by Gjallarhorn, the legendary horn of Heimdall in Norse mythology. Built for reliability and speed, Gjallar continuously watches your infrastructure, services, and applications, detecting anomalies and sounding the alarm before issues become incidents. Observe. Detect. Alert.
The sysadmin that watches your entire infrastructure 24/7. Monitoring for Proxmox, Docker, Kubernetes, TrueNAS and vSphere.
Pulse brings Proxmox, Docker, Kubernetes, TrueNAS and vSphere into a single self-hosted workspace, with a page for every platform and alerts that tell you the moment something breaks.
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SQL powered operating system instrumentation, monitoring, and analytics. Easily ask questions about your Linux, Windows, and macOS infrastructure.
osquery is an operating system instrumentation framework for Windows, OS X (macOS), and Linux. The tools make low-level operating system analytics and monitoring both performant and intuitive.
osquery exposes an operating system as a high-performance relational database. This allows you to write SQL queries to explore operating system data. With osquery, SQL tables represent abstract concepts such as running processes, loaded kernel modules, open network connections, browser plugins, hardware events or file hashes.
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top-style TUI for monitoring AI coding agent sessions.
Your window into what your AI coding agents are doing, sitting in the terminal, where you run them. agtop is a top-style terminal dashboard that tracks every Claude Code and Codex session on your machine: spend, token usage, context pressure, CPU load, tool invocations, and more. All in one place, live.
Real-time router/firewall traffic visualizer TUI for Linux (interfaces, conntrack, firewall drops).
Where a host monitor shows your machine's own traffic, fwtop is built for the box that sits between networks — an edge router or firewall. It reads kernel state directly (near-zero overhead, no packet capture) to show per-interface throughput (split into WAN/LAN zones), the live connection-tracking table (including NAT), and firewall rule counters with a smoke→fire drops heatmap that surfaces spikes at a glance.
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A top for eBPF programs.real-time view of running eBPF programs.
Real-time average runtime per call, events/s, and CPU utilization for every loaded eBPF program.
Malicious traffic detection system.
Maltrail is a malicious traffic detection system, utilizing publicly available (black)lists containing malicious and/or generally suspicious trails, along with static trails compiled from various AV reports and custom user defined lists, where a trail can be anything from a domain name (e.g. zvpprsensinaix.com for Banjori malware), URL (e.g. hXXp://109.162.38.120/harsh02.exe for known malicious executable), IP address (e.g. 185.130.5.231 for known attacker) or HTTP User-Agent header value (e.g. sqlmap for automatic SQL injection and database takeover tool). Also, it uses (optional) advanced heuristic mechanisms that can help in the discovery of unknown threats (e.g. new malware).
Jaeger: open source, distributed tracing platform.
Monitor and troubleshoot workflows in complex distributed systems.
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A self-hosted web application for managing and visualizing home lab infrastructure. Track hardware, virtual machines, applications, storage, networks, and more — all in one place.
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Unified TUI for inventory, health-check, and track every API key issued across your AI providers.
A unified view of every API key across all your AI providers — with health scoring, snapshot diffs, and encrypted credential storage.
KeyLedger is an interactive terminal dashboard that gives you a unified view of every API key issued across your AI providers — with health scoring, snapshot diffs, and encrypted credential storage.
Docker monitoring that fits in an SSH connection.
One binary, barely any memory. Metrics, logs, and alerts across all your hosts. Runs 24/7 on the server, notifies you when things break, whether you're connected or not.
Watch your computer connect across the internet in real time. Discover the world behind your apps.
An AI-powered environment for monitoring, managing, and troubleshooting PostgreSQL systems.
Single-host system diagnostics TUI. Sibling to netwatch. Twelve tabs, plain-English insights, session scrubber. macOS + Linux.
Single-host system diagnostics in your terminal. The terminal you open when something feels off — before you reach for htop, iostat, nettop, powermetrics, and a notebook full of one-liners.
Lightweight, self-contained Linux® server monitoring tool.
Zero dependencies. No external databases. Single binary. Just deploy and go.
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Simple & Reliable Monitoring for Everyone. fast, cost-effective monitoring solution and time series database.
VictoriaMetrics is a fast, cost-effective, and scalable solution for monitoring and managing time series data. It delivers high performance and reliability, making it an ideal choice for businesses of all sizes.
Updo is a command-line tool for monitoring website uptime and performance. It provides real-time metrics on website status, response time, SSL certificate expiry, and more, with alert notifications.
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See where your AI coding tokens go. Interactive TUI dashboard for Claude Code, Codex, and Cursor cost observability.
A Watchdog for Your Infrastructure State. Continuous infrastructure drift detection with historical tracking and notifications.
Monitor infrastructure drift for Terraform, OpenTofu, and Terragrunt. Real-time drift detection with automated alerting.
Real-time network diagnostics in your terminal. One command, zero config, instant visibility.
Launch → see every interface, connection, and health probe instantly. Arm the flight recorder before an incident disappears.
Ember is a real-time dashboard for Caddy & FrankenPHP.
Monitor your Caddy server in real time: per-host traffic, latency percentiles, status codes, and more. When FrankenPHP is detected, unlock per-thread introspection, worker management, and memory tracking.
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Lightweight Docker monitoring dashboard with anomaly detection & Telegram alerts. One-liner install, zero config.
Elephantshark helps monitor, understand and troubleshoot Postgres network traffic: Postgres clients, drivers and ORMs talking to Postgres servers, proxies and poolers (also: standby servers talking to their primaries and subscriber servers talking to their publishers).
Elephantshark sits between the two parties in a PostgreSQL-protocol exchange, forwarding messages in both directions while parsing and logging them.
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AI-Native Infrastructure Monitoring. Argus uses AI to detect anomalies, investigate incidents, and resolve issues — before your users notice.
AI-native observability for production systems. Automatically understands your application from runtime data and logs. No dashboards. No manual configuration.
Argus is an open-source observability platform with a built-in AI agent that monitors your infrastructure, investigates anomalies autonomously, and proposes fixes — all through a chat interface. Think Datadog + ChatGPT, self-hosted and under your control.
🛰 Monitor how many tokens your code and configs consume in AI tools. Set budgets and get alerts when limits are hit.
Token Limit helps you monitor how many tokens your AI context files consume. Set token budgets for your prompts, documentation, and configs, then get alerts when limits are exceeded.
Keep your AI costs predictable and avoid hitting context window limits that break your applications.
Network monitoring tool that maps process-to-network connections, identifies cloud providers, and detects beaconing activity. Zero-flag agent binary for deployment, aggregation server, offline ASN lookup.
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Synthetic monitoring engine with Playwright and Prometheus metrics.
Upright is a self-hosted synthetic monitoring system. It provides a framework for running health check probes from multiple geographic sites and reporting metrics via Prometheus. Alerts can then be configured with AlertManager.
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turn on/off and monitor your PC or Server with Home Assistant. Build with ESPHome.
Remote Power Control & Monitoring for any Desktop PC. Designed for Home Assistant enthusiasts who want full control over their computer.
Power Up Your Task Manager. Advanced Task Manager with History.
Historical resource monitoring, powerful controls for managing troublesome apps, and detailed visibility into hidden behavior that impacts your PC’s performance, privacy, and security.
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Apple Silicon Monitor Top.
mactop is a terminal-based monitoring tool "top" designed to display real-time metrics for Apple Silicon chips written by Carsen Klock. It provides a simple and efficient way to monitor CPU and GPU usage, E-Cores and P-Cores, power consumption, GPU frequency, temperatures, and other system metrics directly from your terminal
A modern, cross‑platform CLI to monitor websites and APIs.
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Netronome is a modern network speed testing and monitoring tool built with Go and React.
A complete network performance monitoring solution with distributed agents, real-time metrics, and beautiful visualizations.
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Easily collect and report PostgreSQL metrics for scripting, automation and troubleshooting.
pgmetrics is an open-source, zero-dependency, single-binary tool that can collect 350+ metrics from a running PostgreSQL server and display it in easy-to-read text format or export it as JSON and CSV for scripting.
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Insight into everything, Website Analytics + Uptime Monitor + Server Status. not only another GA alternatives.
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Pings a number of targets at once, collecting their response times in histograms. Deploy at strategic points in your network to detect weak links and gain insight to your network's topology.
Lagident pings targets and collects information about response time and packet loss. The results are displayed through a scatter chart, which will (hopefully) help you identify anomalies across your network.
Terminal-based Docker manager - monitor CPU/memory, view logs, and manage containers.
DockMate is a TUI (Text User Interface) for managing Docker containers directly from your terminal. Think of htop, but for Docker.
Docker Container Monitoring for Your Terminal.
A powerful TUI for monitoring Docker containers across multiple hosts with real-time CPU, memory, and network metrics. Built with Rust for blazing-fast performance and minimal resource usage.
Real-time NVIDIA GPU Monitoring.
Real-time NVIDIA GPU monitoring dashboard. Web-based, no SSH required.
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A simple uptime monitoring dashboard to keep track of your websites and APIs.
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A responsive monitoring platform for Proxmox VE, PBS, and Docker with real-time metrics across nodes and containers.
Real-time monitoring for Proxmox VE, Proxmox Mail Gateway, PBS, and Docker infrastructure with alerts and webhooks.
Monitor your hybrid Proxmox and Docker estate from a single dashboard. Get instant alerts when nodes go down, containers misbehave, backups fail, or storage fills up. Supports email, Discord, Slack, Telegram, and more.
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A realtime celery task monitoring and management system.
Kanchi is a real-time Celery task monitoring (and management) system with an enjoyable user interface. It provides insights into task execution, worker health, and task statistics.
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CISA’s LME provides a free, easy-to-deploy log management solution. It includes real-time threat alerts, customizable dashboards, and community collaboration on GitHub, helping small to medium-sized organizations improve their cybersecurity.
CISA's Logging Made Easy (LME) is a no cost, open source platform that centralizes log collection, enhances threat detection, and enables real-time alerting, helping small to medium-sized organizations secure their infrastructure. Whether you're upgrading from a previous version or deploying for the first time, LME offers a scalable, efficient solution for logging and endpoint security.
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A simple server monitor tool.
Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. It supports viewing server status through a web interface and collects data through a lightweight agent.
🪁 A modern, lightweight Kubernetes dashboard.
Kite is a lightweight, modern Kubernetes dashboard that provides an intuitive interface for managing and monitoring your Kubernetes clusters. It offers real-time metrics, comprehensive resource management, multi-cluster support, and a beautiful user experience.
Modern Docker container monitoring with auto-restart and alerts .
A comprehensive Docker container monitoring and management platform with real-time monitoring, intelligent auto-restart, multi-channel alerting, and complete event logging.
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Linux Patch Monitoring made Simple.
PatchMon provides centralized patch management across diverse server environments. Agents communicate outbound-only to the PatchMon server, eliminating inbound ports on monitored hosts while delivering comprehensive visibility and safe automation.
Simple and Effective Cron Job Monitoring.
Open-source cron job and background task monitoring service, written in Python & Django.
Healthchecks is a cron job monitoring service. It listens for HTTP requests and email messages ("pings") from your cron jobs and scheduled tasks ("checks"). When a ping does not arrive on time, Healthchecks sends out alerts.
Nightingale for monitoring and alerting, just as Grafana is for visualization.
Nightingale is an open-source monitoring project that focuses on alerting. Similar to Grafana, Nightingale also connects with various existing data sources. However, while Grafana emphasizes visualization, Nightingale places greater emphasis on the alerting engine, as well as the processing and distribution of alarms.
A cross-platform network monitoring terminal UI tool built with Rust.
RustNet provides real-time visibility into network connections with detailed state information, connection lifecycle management, deep packet inspection, and a terminal user interface.
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Monitor and restrict HTTP/HTTPS requests from processes.
A cross-platform tool for monitoring and restricting HTTP/HTTPS requests from processes using network isolation and transparent proxy interception.
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Telemetry Harbor OSS is the open-source ingestion and visualization stack behind Telemetry Harbor. Self-host your own telemetry backend with full control over your data and infrastructure.
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eBPF-based auto-instrumentation.
Grafana Beyla is an open source eBPF-based auto-instrumentation tool that helps you easily get started with application observability for Go, C/C++, Rust, Python, Ruby, Java, NodeJS, .NET, and more.
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Elasticsearch Terminal Dashboard. HTOP for Elasticsearch.
Elastop is a terminal-based dashboard for monitoring Elasticsearch clusters in real-time. It provides a comprehensive view of cluster health, node status, indices, and various performance metrics in an easy-to-read terminal interface. This tool was designed to look visually similar HTOP.
Exosphere offers aggregated patch and security update reporting as well as basic system status across multiple Unix-like hosts via SSH.
Exosphere is a CLI and Text UI driven application that offers aggregated patch and security update reporting as well as basic system status across multiple Unix-like hosts over SSH.
It is targeted at small to medium sized networks, and is designed to be simple to deploy and use, requiring no central server, agents and complex dependencies on remote hosts.