Open Source System Monitoring Tools
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System Monitoring Tools
View 78 business solutionsBrowse free open source System Monitoring tools and projects below. Use the toggles on the left to filter open source System Monitoring tools by OS, license, language, programming language, and project status.
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Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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Build Securely on AWS with Proven FrameworksMoving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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Process Hacker
View and manage processes, services and more with this powerful tool.
Process Hacker is a free and open source process viewer. This multi-purpose tool will assist you with debugging, malware detection and system monitoring. -
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System Informer
View and manage processes, services and more with this powerful tool
System Informer is a free and open source process viewer. This multi-purpose tool will assist you with debugging, malware detection and system monitoring. -
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HWiNFO
Comprehensive Hardware Analysis, Monitoring and Reporting for Windows
Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. HWiNFO is an all-in-one solution for hardware analysis and monitoring supporting a broad range of OSes (DOS, Microsoft Windows 95 - Windows 11, WinPE) and platforms (i8086 - Xeon Platinum). Exhausting information about hardware components displayed in hierarchy unfolding into deep details. Useful for obtaining a detailed hardware inventory report or checking of various hardware-related parameters. Real-time monitoring of a variety of system and hardware parameters covering CPUs, GPUs, mainboards, drives, peripherals, etc. Useful for detection of overheating, overload, performance loss or failure prediction. Full hardware hierarchy, or quick summary overview. Export into XML, CSV, HTML reports. System monitoring in customizable tables, graphs, tray icons, OSD. -
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Libre Hardware Monitor
Monitor temperature sensors, fan speed, voltage, load & clock speeds
Libre Hardware Monitor is a free, open-source system monitoring tool that provides detailed insights into your computer’s hardware health and performance. It tracks real-time metrics such as temperatures, fan speeds, voltages, clock speeds, and load across a wide range of components. The project includes both a Windows Forms application for visual monitoring and a reusable library for developers who want to integrate hardware monitoring into their own software. LibreHardwareMonitor supports modern Intel and AMD CPUs, major GPU vendors, storage devices, and network adapters. Built on modern .NET versions, it continues to evolve with frequent updates and broad community contributions. Licensed under MPL 2.0, it offers a transparent and extensible alternative to proprietary hardware monitoring tools. -
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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3X-UI
Xray panel supporting multi-protocol multi-user expire day
3X‑UI is an enhanced fork of the X‑UI project, serving as a multifunctional web panel to manage VPN services. It supports multi‑protocol configurations (like VMess, VLESS, Trojan, Shadowsocks, WireGuard), offers traffic and user limits, SSL management, multilingual support, and integrates Telegram notifications for system events. Advanced, open-source web-based control panel designed for managing Xray-core server. It offers a user-friendly interface for configuring and monitoring various VPN and proxy protocols. As an enhanced fork of the original X-UI project, 3X-UI provides improved stability, broader protocol support, and additional features. -
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TaskExplorer
Powerful system task manager
TaskExplorer is a powerful system task-manager / process-inspector tool designed for Windows that goes well beyond the capabilities of the built-in Task Manager. It provides real-time insights into running processes, threads, open handles, network sockets, memory usage, modules loaded, and more — all in a unified, fast, and efficient GUI. Rather than scattering information across tabs or dialogs, TaskExplorer displays detailed data in a panel layout: when you select a process, the lower panel updates dynamically to show relevant info (threads, handles, sockets, modules, etc.), making deep inspection quick and intuitive. It includes advanced panels: a Thread Panel with stack traces (helpful for diagnosing deadlocks or hangs), a Memory Panel that lets you view or even edit process memory (with search capabilities), a Socket Panel showing open network connections, data rates, pseudo-UDP connections (via ETW), and a Modules Panel listing all loaded DLLs and memory-mapped files. -
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HWMonitor
Real-time PC hardware monitoring for temperature, voltage, fan speed.
HWMonitor is a comprehensive system monitoring tool that displays real-time information about your computer’s vital hardware components. The program accurately tracks temperatures, voltages, and fan speeds for processors, graphics cards, and other crucial elements. HWMonitor helps users prevent system overheating and hardware failure by providing clear and detailed readouts. Its intuitive interface makes it easy to identify potential issues early, ensuring optimal performance and extended hardware lifespan. Ideal for enthusiasts, gamers, and professionals, HWMonitor provides reliable data in a simple, user-friendly format without excessive resource consumption. -
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Network Security Toolkit (NST)
A network security analysis and monitoring toolkit Linux distribution.
Network Security Toolkit (NST) is a bootable ISO image (Live USB Flash Drive) based on Fedora 44 providing easy access to best-of-breed Open Source Network Security Applications and should run on most x86_64 systems. The main intent of developing this toolkit was to provide the security professional and network administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 125 Security Tools by INSECURE.ORG are available in the toolkit. An advanced Web User Interface (WUI) is provided for system/network administration, navigation, automation, network monitoring, host geolocation, network analysis and configuration of many network and security applications found within the NST distribution. In the virtual world, NST can be used as a network security analysis, validation and monitoring tool on enterprise virtual servers hosting virtual machines. -
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PC Workman HCK
AI-powered PC monitoring that explains. Not shows numbers/spikes.
Your PC says CPU 87%. PC Workman says why, since when, and what to do about it. Real-time system monitor with built-in offline AI. No cloud. Your data stays on your machine. What's inside: -hck_GPT: 82-intent AI assistant. -Ask it anything about your PC in Polish or English. -9-layer routing, learns your usage patterns over weeks. -TURBO mode: one click stops unnecessary services (Gaming/Work/Economy profiles), switches power plan, flushes RAM, freezes idle apps. -One click restores everything. -Thermal Baseline: learns normal temperatures per workload type. 72C while gaming? Normal. 72C on idle? Alert. -Voltage monitoring with industrial-grade anomaly detection (Nelson Rules SPC). -Ghost Driver Hunter: finds old drivers from hardware you removed years ago. -DeepMonitor: HWMonitor-style sensor table with 90-day SQLite history. 373 process definitions. Hover any process, know what it is instantly. -Startup Manager, Services Manager, process verification. 11 months solo <3 -
Build Agents and Models on One PlatformGemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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SpeedFan
SpeedFan is an advanced system monitoring tool
SpeedFan lets you take a deeper view at the status of your computer. Almost every computer includes support for hardware monitoring. Accessing digital temperature sensors is really useful. If you are trying to figure out why your PC hangs when under heavy load or after some hours of usage, SpeedFan might help you find the real cause. Very often it is a poor power supply, or an improperly installed heatsink that lead to behaviours that we tend to associate (incorrectly) with errors from the operating system. SpeedFan automatically searches your computer for informative chips: the hardware monitor chips. SpeedFan can display voltages, fan speeds and temperatures. On rare occasions, the BIOS doesn't activate such features. SpeedFan tries to enable them as long as this is a safe thing to do. Not only the motherboard is searched, but also some video cards and almost every currently sold hard disk. SpeedFan can access status info from EIDE, SATA and even SCSI drives -
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s-tui
Terminal-based CPU stress and monitoring utility
s-tui (Stress Terminal UI) is a terminal-based performance monitoring and stress-testing tool focused specifically on CPU behavior analysis in Linux and other UNIX-like systems. It provides real-time graphical visualization of CPU temperature, frequency, power consumption, and utilization directly within a text-based interface, eliminating the need for a graphical desktop environment. The utility is particularly useful for diagnosing thermal throttling, validating cooling solutions, and evaluating system stability under heavy load conditions. In addition to passive monitoring, s-tui can integrate with external stress tools to actively push the CPU to its limits while simultaneously displaying performance metrics. The software is lightweight, scriptable, and well suited for remote environments such as SSH sessions or small devices like Raspberry Pi. -
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Gorse Recommender System Engine
An open source recommender system service written in Go
An open-source recommender system service written in Go. Recommend items from Popular, latest, user-based, item-based and collaborative filtering. Search the best recommendation model automatically in the background. Support horizontal scaling in the recommendation stage after single node training. Support Redis, MySQL, Postgres, MongoDB, and ClickHouse as its storage backend. Expose RESTful APIs for data CRUD and recommendation requests. Analyze online recommendation performance from recently inserted feedback. Provide GUI for data management, system monitoring, and cluster status checking. Gorse is an open-source recommendation system written in Go. Gorse aims to be a universal open-source recommender system that can be easily introduced into a wide variety of online services. By importing items, users and interaction data into Gorse, the system will automatically train models to generate recommendations for each user. -
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gpustat
A simple command-line utility for querying and monitoring GPU status
gpustat is a lightweight Python command-line utility designed to provide fast, human-readable monitoring of NVIDIA GPU status in real time. It serves as a simplified alternative to the more verbose nvidia-smi tool by presenting key GPU metrics in a compact, developer-friendly format. The utility retrieves data through NVIDIA’s NVML bindings and displays information such as temperature, utilization, memory usage, and running processes directly in the terminal. Because it is easy to install via pip and requires minimal configuration, gpustat is widely used in machine learning environments, research clusters, and shared GPU servers. The tool also supports watch mode for continuous monitoring and JSON output for integration into automation pipelines. Overall, gpustat focuses on speed, clarity, and scriptability, making it especially useful for engineers who need quick GPU visibility without heavy monitoring stacks. -
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macmon
Real-time system monitor for Apple Silicon Macs (M1–M5)
macmon is a real-time system monitor built specifically for Apple Silicon Macs. It is designed to show detailed performance information for M-series machines without requiring sudo access. The tool provides a terminal user interface for viewing CPU, GPU, RAM, power, and temperature data as the system runs. It is useful for developers, performance testers, AI users, and Mac power users who want deeper visibility into hardware behavior. macmon can also expose metrics through JSON or Prometheus-compatible output, which makes it suitable for dashboards and automated monitoring. Its main value is giving Apple Silicon users a fast, native, and scriptable way to understand system performance. -
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grafana-dashboards-kubernetes
A set of modern Grafana dashboards for Kubernetes
grafana-dashboards-kubernetes is a curated collection of modern Grafana dashboards tailored specifically for monitoring Kubernetes clusters using Prometheus-based metrics. The project aims to provide clear, practical visualizations that help DevOps teams quickly understand cluster health, workload behavior, and infrastructure performance. Rather than attempting to expose every possible metric, the dashboards are designed to be operationally useful and easy to navigate during day-to-day troubleshooting. They leverage newer Grafana panel capabilities and are commonly used alongside kube-prometheus-stack deployments. The dashboards allow users to drill down from high-level cluster views to detailed pod-level insights, supporting rapid root-cause analysis. Overall, the project serves as a production-ready observability layer that accelerates Kubernetes monitoring setup and improves situational awareness. -
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Provides high level bindings to Windows APIs from the Tcl scripting language.
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NeoHtop
Blazing-fast system monitoring for your desktop
NeoHtop is a modern, high-performance system monitoring application that reimagines the classic htop experience using contemporary technologies such as Rust, Tauri, and Svelte. It provides real-time visibility into running processes, CPU load, and memory usage through a visually polished desktop interface designed for speed and clarity. Unlike traditional terminal monitors, neohtop emphasizes usability with advanced search capabilities, process pinning, and dynamic sorting, allowing users to quickly identify resource-intensive workloads. The application supports dark and light themes and auto-refreshes system statistics to maintain an always-current operational view. Its cross-platform architecture makes it suitable for developers and power users who want a responsive graphical alternative to legacy tools. By combining a modern UI stack with efficient Rust back-end logic, neohtop aims to deliver both performance and an improved user experience for everyday system monitoring tasks. -
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Resources
Keep an eye on system resources
Resources is a modern system monitor for Linux desktops. It provides a clean graphical interface for viewing hardware usage, running applications, and system processes. The application is written in Rust and uses GTK 4 with libadwaita, which gives it a native feel on GNOME-style desktops. It can display details for CPU, memory, GPUs, NPUs, network interfaces, storage devices, and batteries. It also allows users to inspect and terminate running applications or processes when needed. Its main value is offering a friendly, polished alternative to traditional system monitors while still showing enough detail for everyday diagnostics. -
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WGCLOUD
Visibility into servers, applications, and infrastructure
WGCLOUD is a distributed operations and maintenance monitoring platform designed to provide comprehensive visibility into servers, applications, and infrastructure through a lightweight yet highly integrated architecture. Built on a Spring Boot microservices foundation with an agent-server model, the system emphasizes rapid deployment, minimal configuration overhead, and automated operation for large-scale environments. It collects extensive host metrics such as CPU usage, temperature, memory utilization, disk performance, network throughput, and hardware health while also supporting monitoring of processes, containers, ports, and databases. The platform includes advanced operational capabilities such as web-based SSH access, batch command execution, and visual topology generation, making it more than a passive monitoring tool. wgcloud is intended for private, self-hosted deployments where organizations want full control over monitoring data without relying on external cloud services. -
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LPAR2RRD
AIX, Linux, VMware, Nutanix, Oracle, RHV, Cloud performance monitoring
The tool offers you end-to-end views of your server environment and can save you significant money in operation monitoring by predicting utilization bottlenecks in your virtualized environment. You can also generate policy-based alerts, capacity reports and load forecasts. The product supports these virtualization platforms: - IBM Power Systems - VMware - Nutanix - Proxmox - Huawei FusionCompute - OracleVM - Oracle Solaris LDOM, CDOM, Zone - oVirt / RedHat Virtualization (RHV) - MS Windows and Hyper-V - XenServer, Citrix - Amazon Web Services - Google Cloud - Microsoft Azure - IBM Cloud - Kubernetes - Docker - Red Hat OpenShift - Apache CloudStack - PostgreSQL database - Oracle Database - Microsoft SQL Server Try demo at http://demo.lpar2rrd.com -
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heim
Cross-platform async library for system information fetching
Heim is a cross-platform system monitoring library written in Rust, providing real-time metrics for CPU, memory, and other resources. -
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Statuspage
A statuspage generator that lets you host your statuspage for free
Statuspage is an open-source status page generator that enables teams to publish service health dashboards directly from GitHub infrastructure. The tool automatically converts GitHub issues into incident reports and uses labels to represent severity levels, allowing teams to manage incident communication through familiar workflows. It is designed to be hosted for free on GitHub Pages, making it especially attractive for startups and open-source projects that want transparent uptime communication without additional hosting costs. The system supports customization of styles, branding, and layout so organizations can match their public status presence to their product identity. Because it integrates tightly with GitHub tokens and repositories, statuspage fits naturally into DevOps pipelines that already rely on GitHub for incident tracking. Overall, the project provides a simple but powerful way to maintain public service transparency using existing developer tooling. -
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psutil
Cross-platform lib for process and system monitoring in Python
psutil is a widely adopted cross-platform Python library designed to retrieve detailed information about system utilization and running processes in a consistent and programmatic way. It exposes a rich API that allows developers to inspect CPU usage, memory consumption, disk activity, network statistics, and hardware sensors without relying on platform-specific tools. The library effectively replicates and unifies the capabilities of classic UNIX utilities such as ps, top, netstat, and free, making it especially valuable for monitoring, profiling, and process management workflows. Because it supports multiple operating systems including Linux, Windows, macOS, and BSD variants, psutil enables developers to build portable observability tools and automation scripts. It is commonly used in performance dashboards, resource limiters, and infrastructure monitoring agents due to its lightweight footprint and mature ecosystem. -
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AIDA64 Extreme
AIDA64 Extreme: Ultimate PC diagnostics & system info tool
AIDA64 Extreme - The Ultimate System Diagnostics & Benchmarking Tool Unlock the full potential of your PC with AIDA64, the industry-leading system information, diagnostics, and benchmarking software. Trusted by PC enthusiasts, IT professionals, and overclockers, AIDA64 provides detailed insights into your hardware, software, and system performance. Optimize your device, troubleshoot issues, and push performance to the max. Why Choose AIDA64? - Comprehensive System Info: Get in-depth details on CPU, GPU, RAM, motherboard, and more. - Advanced Diagnostics: Identify hardware issues and monitor system health in real-time. - Benchmarking Power: Test CPU, GPU, and memory performance with accurate metrics. - Overclocking Support: Monitor temperatures, voltages, and fan speeds for safe tuning. - Multi-Platform: Available for Windows, Android, and iOS devices. - User-Friendly: Intuitive interface for beginners and pros alike. Key Features: - Real-time hardware -
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MCP Monitor
A system monitoring tool that exposes system metrics
The MCP System Monitor is a tool that exposes system metrics via the Model Context Protocol (MCP), allowing Large Language Models (LLMs) to retrieve real-time system information through an MCP-compatible interface.
