Open-source monitoring software
2501 open-source libraries, tools and applications tagged monitoring, ranked by how closely monitoring is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2501 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| netalertx/NetAlertX NetAlertX is a self-hosted network visibility and asset intelligence platform that performs continuous device discovery and monitoring acro… | 98 | 7279 | active |
| mher/flower Flower is an open-source web application for monitoring and managing Celery clusters in real time. It provides a dashboard for task and wor… | 83 | 7238 | active |
| kean/Pulse Pulse is an open-source logging system and network logger framework for Apple platforms, built with SwiftUI. It records URLSession network … | 93 | 7237 | active |
| TensorBoard TensorBoard is TensorFlow's visualization toolkit, a suite of web applications for inspecting and understanding machine learning training r… | 82 | 7231 | active |
| Serial-Studio/Serial-Studio Serial Studio is an open-source cross-platform telemetry dashboard application that turns data from embedded devices and industrial buses i… | 97 | 7221 | active |
| XuehaiPan/nvitop nvitop is an interactive NVIDIA GPU process viewer and monitoring tool built on NVML, offering a richer alternative to nvidia-smi with an h… | 89 | 7184 | active |
| didi/KnowStreaming Know Streaming is a cloud-native Kafka management and control platform built from years of operational experience at Didi. It provides zero… | 81 | 7174 | active |
| quartznet/quartznet Quartz.NET is a full-featured, open-source enterprise job scheduler for the .NET platform, supporting cron and simple triggers, pluggable j… | 100 | 7095 | stable |
| agones-dev/agones Agones is an open-source Kubernetes controller and custom resource definitions (GameServers, Fleets) for hosting, running, and scaling dedi… | 94 | 7062 | stable |
| google/gops gops is a command-line tool from Google that lists all Go processes running on a system and diagnoses them. Processes that embed the gops a… | 67 | 7019 | active |
| fleetdm/fleet Fleet is an open-source device management (MDM) and security platform for IT and security teams, built on osquery. It provides cross-OS dev… | 96 | 7016 | stable |
| nicotsx/zerobyte Zerobyte is a self-hosted backup automation platform built on top of Restic, providing a modern web interface to schedule, manage, monitor,… | 77 | 6984 | active |
| JVM-Sandbox JVM-Sandbox is a real-time, non-invasive AOP framework container for the JVM, built on Java Instrumentation to dynamically enhance methods … | 65 | 6960 | active |
| tonymillion/Reachability An ARC and GCD compatible Objective-C Reachability class for iOS and macOS, serving as a drop-in replacement for Apple's Reachability. It n… | 52 | 6945 | stable |
| ClearML ClearML is an open-source Python SDK and platform for MLOps/LLMOps that provides auto-logged experiment tracking, data versioning, pipeline… | 96 | 6903 | stable |
| tokio-rs/tracing tracing is a Rust framework for instrumenting applications to emit structured, event-based diagnostic data, built around spans with duratio… | 80 | 6897 | stable |
| rcourtman/Pulse Pulse is a self-hosted infrastructure monitoring application for Proxmox, Docker, Kubernetes, TrueNAS, and vSphere, combining live state, h… | 84 | 6878 | active |
| EasyDarwin/EasyDarwin EasyDarwin is an open-source, high-performance streaming media server supporting RTSP/RTMP push and pull streams with distribution over RTM… | 53 | 6842 | active |
| Faraday Faraday is an open-source vulnerability management platform that aggregates, normalizes, and deduplicates findings from over 90 security to… | 98 | 6781 | active |
| kubernetes-sigs/metrics-server Metrics Server is a scalable, efficient source of container CPU and memory resource metrics for Kubernetes built-in autoscaling pipelines. … | 93 | 6761 | stable |
| OpenCost OpenCost is a CNCF incubating, vendor-neutral open source tool for real-time Kubernetes and cloud cost monitoring and allocation. It provid… | 96 | 6755 | active |
| GreptimeDB GreptimeDB is an open-source (Apache-2.0) observability database written in Rust that stores metrics, logs, and traces in a single columnar… | 98 | 6740 | active |
| OpenMower OpenMower is an open-source project that converts cheap off-the-shelf robotic lawn mowers into smart, RTK GPS-guided mowing robots by repla… | 83 | 6727 | active |
| Suricata Suricata is a high-performance network Intrusion Detection System (IDS), Intrusion Prevention System (IPS), and Network Security Monitoring… | 93 | 6683 | stable |
| google/perfetto Perfetto is an open-source suite of SDKs, daemons, and tools for production-grade system profiling, app tracing, and trace analysis on clie… | 93 | 6647 | stable |
| Diorser/LiteMonitor LiteMonitor is a lightweight, highly customizable Windows desktop and taskbar hardware performance monitoring tool built in C#. It shows re… | 65 | 6619 | active |
| Tautulli Tautulli is a Python-based self-hosted web application for monitoring, tracking, and analyzing activity on a Plex Media Server. It provides… | 95 | 6613 | active |
| Cowrie Cowrie is a medium-to-high interaction SSH and Telnet honeypot that logs brute-force attacks and full attacker shell sessions, capturing up… | 99 | 6594 | active |
| OpenTelemetry Go The official Go implementation of the OpenTelemetry API and SDK for instrumenting applications to generate traces, metrics, and logs. It ex… | 94 | 6573 | stable |
| Pixie Pixie is an open-source, Kubernetes-native observability platform that uses eBPF to auto-instrument applications, collecting telemetry like… | 79 | 6548 | active |
| ACRA ACRA is an open-source Android library for crash reporting that catches uncaught exceptions, collects detailed device and application conte… | 87 | 6503 | active |
| rullerzhou-afk/clawd-on-desk Clawd on Desk is an Electron-based pixel desktop pet that watches AI coding agents like Claude Code, Codex, Cursor, and Copilot in real tim… | 83 | 6494 | active |
| ChaosBlade ChaosBlade is an open-source chaos engineering toolkit from Alibaba for injecting faults into hosts, applications, and Kubernetes clusters … | 98 | 6461 | active |
| komari-monitor/komari Komari is a lightweight, self-hosted server monitoring application written in Go that tracks server performance via a web dashboard with da… | 83 | 6457 | active |
| Zabbix Zabbix is an enterprise-class open-source distributed monitoring and observability platform for tracking the performance and availability o… | 76 | 6435 | stable |
| derailed/popeye Popeye is a read-only CLI tool that scans live Kubernetes clusters and reports potential issues with deployed resources and configurations.… | 56 | 6397 | active |
| rcmaehl/WhyNotWin11 WhyNotWin11 is a Windows utility that checks a PC's hardware and system configuration against Windows 11 requirements and reports which cri… | 58 | 6391 | active |
| microsoft/Detours Microsoft Detours is a C++ library for intercepting, monitoring, and instrumenting Win32 API calls on Windows via function hooking and bina… | 64 | 6384 | stable |
| Aspire Aspire is a multi-language, code-first toolchain from Microsoft for composing, running, debugging, and deploying distributed applications. … | 96 | 6381 | active |
| WonderTrader WonderTrader is a high-performance C++-core quantitative trading framework covering the full lifecycle from data ingestion and backtesting … | 74 | 6373 | active |
| Tencent/lemon-cleaner Tencent Lemon Cleaner is a free macOS cleanup utility that removes junk files, duplicate files, similar photos, and app leftovers, with tai… | 69 | 6333 | active |
| 666OS/ClashMac ClashMac is a native macOS proxy client built in SwiftUI, wrapping the Clash/Mihomo engine with system proxy and TUN enhanced modes. It pro… | 82 | 6310 | active |
| rsalmei/alive-progress alive-progress is a Python library providing animated terminal progress bars with live spinners, real-time throughput, and ETA estimation. … | 66 | 6310 | stable |
| janestreet/magic-trace magic-trace is an OCaml CLI tool that uses Intel Processor Trace to capture high-resolution traces of every function call a process makes, … | 63 | 6299 | active |
| PeerBanHelper PeerBanHelper is a self-hosted Java application that automatically bans unwanted, leeching, and abnormal BitTorrent peers by connecting to … | 85 | 6284 | active |
| Aim Aim is an open-source experiment tracker for AI/ML that logs training runs and metadata, with a web UI to compare runs and a Python API to … | 74 | 6276 | active |
| pixlcore/xyops xyOps is a self-hosted platform combining job scheduling, visual workflow automation, server monitoring, alerting, and incident response in… | 78 | 6247 | active |
| kubernetes/kube-state-metrics kube-state-metrics is a Kubernetes add-on agent that listens to the Kubernetes API server and generates Prometheus-compatible metrics about… | 93 | 6224 | stable |
| DominicBreuker/pspy pspy is a command line tool that snoops on Linux processes without root permissions by combining procfs scans with inotify watchers to catc… | 51 | 6211 | stable |
| dalance/procs procs is a modern replacement for the ps command, written in Rust, that shows process information with colored, human-readable output. It a… | 89 | 6195 | active |
| Azure/Azure-Sentinel The official community repository for Microsoft Sentinel, a cloud-native SIEM, containing out-of-the-box detections, hunting queries, workb… | 77 | 6189 | active |
| obsidiandynamics/kafdrop Kafdrop is a lightweight web UI for viewing Apache Kafka topics, brokers, consumer groups, and browsing messages. It runs on Spring Boot an… | 85 | 6156 | active |
| Faktory Faktory is a language-agnostic background job server that stores jobs as JSON in queues for workers in any programming language to fetch an… | 87 | 6150 | active |
| Graphite Graphite is a highly scalable real-time graphing system for numeric time-series data, composed of Graphite-Web (a Django web app for render… | 77 | 6129 | stable |
| Webmin Webmin is a mature web-based control panel for administering Unix-like servers, letting users manage users, disk quotas, services, config f… | 99 | 6095 | stable |
| alexcasalboni/aws-lambda-power-tuning AWS Lambda Power Tuning is an open-source tool built on AWS Step Functions that benchmarks Lambda functions across different memory configu… | 75 | 6068 | active |
| FeralInteractive/gamemode GameMode is a daemon and library combo for Linux that lets games request temporary system performance optimisations such as CPU governor ch… | 58 | 6043 | active |
| tonsky/AnyBar AnyBar is a small macOS menubar application that displays a colored dot whose meaning and color are controlled by the user. It is controlle… | 52 | 6041 | stable |
| prometheus/client_golang The official Go client library for Prometheus, providing APIs for instrumenting application code with metrics and for querying the Promethe… | 89 | 6036 | stable |
| spatie/laravel-backup A Laravel package that creates zip backups of your application's files and database dumps, storing them on any configured Laravel filesyste… | 96 | 6026 | stable |
| alexjustesen/speedtest-tracker Speedtest Tracker is a self-hosted web application built with Laravel that runs scheduled Ookla speed tests and tracks internet connection … | 90 | 6006 | active |
| stefanprodan/podinfo Podinfo is a tiny Go web application that serves as a reference microservice template showcasing Kubernetes best practices. It ships with H… | 96 | 6005 | active |
| opengoofy/hippo4j Hippo4j is a Java framework for managing, observing, and dynamically tuning thread pools at runtime without code changes. It provides a con… | 51 | 6001 | active |
| btraceio/btrace BTrace is a production-safe dynamic tracing tool for Java applications that attaches to live JVMs and injects tracing code via bytecode ins… | 68 | 5999 | active |
| goss-org/goss Goss is a YAML-based server testing and validation tool, a fast serverspec alternative that generates tests from the current system state. … | 84 | 5988 | active |
| Clockwork Clockwork is a PHP development tool that collects runtime data from your application - request data, performance metrics, logs, database qu… | 64 | 5948 | active |
| EFForg/rayhunter Rayhunter is an EFF-developed Rust tool that detects IMSI catchers (cell-site simulators, also known as stingrays) used for cellular survei… | 93 | 5945 | active |
| ZoneMinder/zoneminder ZoneMinder is an open-source video surveillance (CCTV) application for Linux that captures, records, analyzes, and monitors security camera… | 95 | 5940 | stable |
| Countly Countly is a privacy-first, self-hostable product analytics and customer engagement platform with dashboards, crash reporting, push notific… | 94 | 5914 | active |
| spatie/laravel-activitylog A Laravel package that provides easy-to-use functions to log user activity in a Laravel application, storing everything in an activity_log … | 100 | 5910 | stable |
| AgentOps-AI/agentops AgentOps is a Python SDK and observability platform for monitoring, debugging, and evaluating AI agents and LLM applications. It auto-instr… | 67 | 5886 | active |
| prometheus/blackbox_exporter The Blackbox exporter is a Prometheus exporter that probes endpoints over HTTP, HTTPS, DNS, TCP, ICMP, and gRPC and exposes probe success a… | 73 | 5883 | active |
| cortexproject/cortex Cortex is a horizontally scalable, highly available, multi-tenant long-term storage backend for Prometheus and OpenTelemetry metrics. It ru… | 88 | 5877 | stable |
| microsoft/ethr Ethr is a cross-platform network performance measurement tool written in Go that measures bandwidth, connections/s, packets/s, latency, los… | 60 | 5868 | active |
| MadcowD/ell ell is a lightweight Python library for language model programming that treats prompts as functions (language model programs) rather than s… | 32 | 5847 | active |
| xykt/NetQuality A shell-based network quality diagnostic script that checks BGP info, TCP latency, return routes, and speed tests across Chinese and intern… | 62 | 5777 | active |
| coze-dev/coze-loop Coze Loop is an open-source, self-hostable platform for full-lifecycle AI agent development, offering prompt engineering with a visual play… | 72 | 5764 | active |
| ilya-zlobintsev/LACT LACT is a Linux application for controlling and monitoring AMD, Nvidia, and Intel GPUs, offering overclocking, fan curves, power management… | 93 | 5761 | active |
| LitmusChaos LitmusChaos is an open-source, CNCF-hosted chaos engineering platform for cloud-native Kubernetes infrastructure. It provides a ChaosCenter… | 100 | 5730 | stable |
| junhoyeo/tokscale Tokscale is a high-performance Rust CLI tool and visualization dashboard for tracking token usage and costs across multiple AI coding agent… | 80 | 5710 | active |
| Freelens Freelens is a free, open-source graphical IDE for managing and monitoring Kubernetes clusters. It provides a desktop UI available for macOS… | 86 | 5706 | active |
| CryptoSignal/Crypto-Signal CryptoSignal is a Python command-line tool that automates cryptocurrency technical analysis, tracking 500+ coins across exchanges like Bina… | 32 | 5640 | active |
| Devtron Devtron is an open-source, AI-native Kubernetes management platform that unifies application delivery, infrastructure management, CI/CD, an… | 95 | 5609 | active |
| apache/hbase Apache HBase is an open-source, distributed, versioned, column-oriented NoSQL database modeled after Google Bigtable, running on top of Apa… | 91 | 5560 | stable |
| Tempo Grafana Tempo is an open-source, high-scale distributed tracing backend written in Go that stores and queries traces with only object stora… | 98 | 5530 | stable |
| liriliri/aya AYA is an open-source Electron desktop application that serves as a GUI wrapper around Android's ADB tool for controlling Android devices. … | 51 | 5524 | active |
| QuipNetwork/quip-node-manager Quip Node Manager is a cross-platform desktop GUI application for running, configuring, and monitoring Quip Network nodes. It orchestrates … | 60 | 5489 | active |
| fluxcd/flagger Flagger is a progressive delivery Kubernetes operator that automates canary releases, A/B testing, and Blue/Green deployments by gradually … | 87 | 5418 | stable |
| jef/streetmerchant streetmerchant is a Node.js application that continuously checks retail websites for product stock availability, with optional add-to-cart … | 60 | 5402 | active |
| Netflix/Hystrix Hystrix is a Java library for latency and fault tolerance in distributed systems, providing circuit breakers, thread/semaphore isolation, f… | 45 | 24485 | maintenance |
| looplj/axonhub AxonHub is an open-source AI gateway written in Go that lets any SDK call 100+ LLMs through a unified API. It provides built-in failover, l… | 81 | 5375 | active |
| ThreatMapper Deepfence ThreatMapper is an open-source Cloud Native Application Protection Platform (CNAPP) that hunts threats in production cloud, Kuber… | 78 | 5324 | active |
| a597873885/webfunny_monitor Webfunny is a self-hostable full-stack observability platform combining frontend monitoring, APM backend monitoring, and business event ana… | 66 | 5302 | active |
| oshi/oshi OSHI is a free, cross-platform Java library for retrieving native operating system and hardware information using JNA or the JDK Foreign Fu… | 100 | 5271 | active |
| FailproofAI/failproofai Failproof AI is an open-source observability and enforcement layer for AI agent harnesses like Claude Code, Codex, Hermes, and OpenClaw, ca… | 82 | 5268 | active |
| martin-ger/esp_wifi_repeater Firmware for the ESP8266/ESP8285 that turns the chip into a full WiFi NAT router and, in a separate edition, a true L2-bridge WiFi repeater… | 67 | 5257 | active |
| grafana/mimir Grafana Mimir is an open source, horizontally scalable, highly available, multi-tenant time series database providing long-term storage for… | 99 | 5254 | active |
| laravel/telescope Laravel Telescope is an elegant debug assistant for the Laravel framework, providing a web dashboard with insight into requests, exceptions… | 100 | 5234 | active |
| Restreamer Datarhei Restreamer is a self-hosted live video streaming server with a web UI, built on FFmpeg and distributed as a Docker image. It inges… | 57 | 5216 | active |
| tianshiyeben/wgcloud WGCLOUD is a lightweight, distributed IT operations monitoring platform built on SpringBoot with a Go-based agent, designed for fast deploy… | 92 | 5187 | active |