Open-source monitoring software
859 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.
859 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| raboof/nethogs NetHogs is a small terminal-based 'net top' tool for Linux that groups network bandwidth usage by process rather than by protocol or subnet… | 77 | 3697 | stable |
| odigos-io/odigos Odigos is an open-source distributed tracing and observability platform for Kubernetes and VMs that instruments applications automatically … | 92 | 3677 | active |
| Kiali Kiali is an observability console for the Istio service mesh, providing topology visualization, health monitoring, configuration validation… | 99 | 3646 | active |
| arl/statsviz Statsviz is a Go library that visualizes Go runtime metrics (heap, goroutines, GC pauses, scheduler) as real-time plots in a web UI. It reg… | 76 | 3645 | active |
| prometheus-community/windows_exporter A Prometheus exporter that collects metrics from Windows machines via WMI and exposes them in Prometheus format. It ships with collectors f… | 100 | 3641 | active |
| prometheus-community/postgres_exporter A Prometheus exporter that collects and exposes PostgreSQL server metrics over HTTP for scraping. It supports PostgreSQL 13-18, Docker depl… | 90 | 3639 | active |
| apache/logging-log4j2 Apache Log4j 2 is an industrial-grade Java logging framework consisting of a feature-rich logging API (Log4j API) and a high-performance im… | 89 | 3634 | stable |
| Alloy Grafana Alloy is an open source OpenTelemetry Collector distribution with built-in Prometheus pipelines that collects, processes, and expor… | 93 | 3623 | active |
| HolmesGPT/holmesgpt HolmesGPT is an open-source AI agent (CNCF Sandbox project) that investigates production incidents and finds root causes by querying live o… | 88 | 3604 | active |
| grafana/mcp-grafana A Model Context Protocol (MCP) server for Grafana that exposes Grafana instances and their ecosystem to AI assistants like Claude Desktop a… | 85 | 3584 | active |
| roidrage/lograge Lograge is a Ruby gem that replaces Rails' default multi-line request logging with a single, parsable key-value line per request. It is des… | 75 | 3572 | active |
| LinShunKang/MyPerf4J MyPerf4J is a high-performance Java application performance monitoring (APM) tool implemented as a non-intrusive JavaAgent using ASM byteco… | 77 | 3569 | active |
| Netflix/atlas Atlas is Netflix's in-memory dimensional time series database, serving as a backend for storing and querying operational metrics at scale. … | 86 | 3567 | active |
| MauriceNino/dashdot dash. (dashdot) is a modern, glassmorphism-styled server dashboard that monitors CPU, RAM, storage, network, and GPU usage on small private… | 86 | 3546 | active |
| felixmosh/bull-board A dashboard UI library for inspecting and managing Bull, BullMQ, and BullMQ Pro job queues backed by Redis. It plugs into Node.js servers v… | 95 | 3511 | active |
| sqshq/sampler Sampler is a command-line tool that periodically executes shell commands and visualizes their output as terminal dashboards with charts, ga… | 23 | 14808 | maintenance |
| karol-broda/snitch snitch is a Go CLI/TUI tool that provides a friendlier alternative to ss and netstat for inspecting network connections. It displays connec… | 61 | 3503 | active |
| vozlt/nginx-module-vts An Nginx module that provides virtual host traffic status monitoring, exposing per-server, filter, and upstream traffic statistics. It offe… | 87 | 3502 | active |
| prometheus/client_js The official Prometheus client library for Node.js, supporting counters, gauges, histograms, and summaries. It exposes metrics via a regist… | 95 | 3490 | stable |
| OpenTelemetry JavaScript The official OpenTelemetry JavaScript API and SDK for instrumenting Node.js and browser applications to generate distributed traces, metric… | 94 | 3487 | active |
| kubernetes/node-problem-detector A Kubernetes daemon that runs on each node to detect node problems such as hardware failures, kernel deadlocks, and container runtime issue… | 100 | 3477 | active |
| sourcegraph/checkup Checkup is a distributed, lock-free, self-hosted health check and status page tool written in Go, offering both a CLI and an idiomatic Go l… | 66 | 3459 | active |
| guohongze/adminset AdminSet is a self-hosted, fully automated IT operations (DevOps) platform built on Django, integrating CMDB asset management, automated co… | 35 | 3453 | active |
| yandex/perforator Perforator is a cluster-wide continuous profiling tool by Yandex that collects CPU profiles from production servers using eBPF with negligi… | 77 | 3437 | active |
| Snort++ Snort 3 (Snort++) is the next-generation open-source intrusion prevention system (IPS) written in C++17, supporting multi-threaded packet p… | 77 | 3428 | active |
| lmnr-ai/lmnr Laminar is an open-source, OpenTelemetry-native observability platform purpose-built for AI agents, offering tracing, plain-language failur… | 91 | 3422 | active |
| ScrapydWeb ScrapydWeb is a self-hosted web application for managing Scrapyd clusters, supporting all Scrapyd JSON APIs, multinode operations, and Scra… | 30 | 3411 | stable |
| prometheus/pushgateway Prometheus Pushgateway is a metrics acceptor service that lets ephemeral and batch jobs push their metrics so Prometheus can scrape them la… | 78 | 3369 | stable |
| sysstat/sysstat Sysstat is a collection of Linux performance monitoring utilities including sar, iostat, mpstat, pidstat, tapestat, and cifsiostat. It coll… | 76 | 3369 | stable |
| collectd/collectd collectd is a lightweight daemon written in C that periodically collects system and application performance metrics and stores or forwards … | 57 | 3369 | stable |
| PatchMon/PatchMon PatchMon is a self-hostable, AGPL-licensed Linux patch management and server monitoring platform with a lightweight outbound-only agent and… | 78 | 3368 | active |
| open-telemetry/opentelemetry-demo The OpenTelemetry Astronomy Shop, a microservice-based distributed e-commerce demo system illustrating OpenTelemetry instrumentation across… | 92 | 3364 | active |
| intel/pcm Intel Performance Counter Monitor (PCM) is an API and a set of tools for monitoring performance and energy metrics of Intel Core, Xeon, Ato… | 79 | 3345 | active |
| feiyu563/PrometheusAlert PrometheusAlert is an open-source operations alert center and message forwarding system that receives webhook alerts from monitoring system… | 78 | 3341 | active |
| prometheus/jmx_exporter The Prometheus JMX Exporter collects Java Management Extensions (JMX) MBean values and exposes them as Prometheus metrics, or forwards them… | 83 | 3330 | active |
| operacle/checkcle CheckCle is a self-hosted, open-source monitoring platform for real-time uptime and infrastructure monitoring of servers, applications, and… | 59 | 3275 | active |
| oracle/visualvm VisualVM is an all-in-one visual troubleshooting and profiling tool for Java applications, integrating command-line JDK tools with lightwei… | 84 | 3267 | stable |
| gizak/termui termui is a cross-platform terminal dashboard and widget library for Go, built on termbox-go. It provides premade widgets like charts, gaug… | 43 | 13589 | maintenance |
| qos-ch/logback Logback is a reliable, fast and flexible logging framework for Java, intended as the successor to log4j 1.x. It natively implements the SLF… | 97 | 3235 | stable |
| OpenOcta OpenOcta is an open-source desktop AIOps agent for Windows and macOS that lets ops engineers assign IT operations work in natural language.… | 79 | 3230 | active |
| MacRimi/ProxMenux ProxMenux is an interactive menu-driven toolkit for Proxmox VE that combines a terminal menu with a live web dashboard. It automates post-i… | 87 | 3204 | active |
| open-telemetry/opentelemetry-ebpf-profiler A whole-system, cross-language continuous profiler for Linux built on eBPF, part of the OpenTelemetry project. It profiles all processes on… | 68 | 3193 | active |
| rap2hpoutre/laravel-log-viewer A Laravel package that provides a web-based viewer for application log files, installable via Composer with a single route. It supports Lar… | 69 | 3192 | active |
| smartloli/EFAK EFAK (Eagle For Apache Kafka) is an open-source, AI-enhanced monitoring and management platform for Kafka clusters, built on Spring Boot 3.… | 75 | 3182 | active |
| microsoft/retina Retina is an open-source, eBPF-based Kubernetes network observability platform that collects customizable telemetry, Prometheus metrics, an… | 94 | 3180 | active |
| kite-org/kite Kite is a lightweight, modern web-based Kubernetes dashboard that unifies multi-cluster management, resource operations, observability, ent… | 86 | 3172 | active |
| Robusta Robusta is an open-source Prometheus alert enrichment engine for Kubernetes that adds smart grouping, alert enrichment with pod logs, advan… | 96 | 3101 | active |
| msgbyte/tianji Tianji is a self-hosted all-in-one insight hub combining website analytics, uptime monitoring, and server status reporting in a single ligh… | 88 | 3099 | active |
| subtrace/subtrace Subtrace is a CLI tool that lets developers inspect HTTP requests hitting their backend servers by wrapping any command with `subtrace run`… | 52 | 3097 | active |
| lindb/lindb LinDB is an open-source distributed time series database written in Go, offering high performance, high availability, and horizontal scalab… | 62 | 3065 | active |
| bvaisvil/zenith Zenith is a terminal-based system monitor written in Rust, similar to top or htop, with zoomable charts for CPU, memory, network, and disk … | 88 | 3061 | active |
| dalibo/pg_activity pg_activity is a top-like command line tool for monitoring PostgreSQL server activity in real time. It displays running queries, waits, CPU… | 80 | 3052 | active |
| cruise-control-for-kafka/cruise-control Cruise Control is a Java-based service that automates dynamic workload rebalancing and self-healing for Apache Kafka clusters. It tracks br… | 91 | 3046 | active |
| javamelody/javamelody JavaMelody is an open-source library for monitoring Java and Java EE applications in QA and production environments. It collects and visual… | 95 | 3043 | active |
| odygrd/quill Quill is an ultra-low-latency asynchronous logging and metrics library for C++17. It is designed for performance-critical applications wher… | 95 | 3032 | active |
| gnmyt/MySpeed MySpeed is a self-hosted speed test analysis application that automatically runs internet speed tests and records results over a configurab… | 67 | 3032 | active |
| ntop/PF_RING PF_RING is a Linux kernel module and user-space framework for high-speed packet capture and processing, offering a consistent API for netwo… | 84 | 2970 | stable |
| M-cheng-web/web-tracing A cross-platform JavaScript monitoring SDK for frontend projects that provides tracking of user behavior, performance, errors, requests, re… | 75 | 2955 | active |
| orhun/kmon kmon is a terminal-based Linux kernel manager and activity monitor written in Rust. It lets users view kernel information, manage kernel mo… | 77 | 2951 | active |
| Tencent/matrix Matrix is a plugin-style, non-invasive Application Performance Management (APM) system developed by WeChat for monitoring, locating, and an… | 23 | 12054 | maintenance |
| inspektor-gadget/inspektor-gadget Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBP… | 99 | 2940 | active |
| imsnif/bandwhich bandwhich is a Rust CLI utility that sniffs a network interface and displays current bandwidth utilization by process, connection, and remo… | 62 | 12007 | maintenance |
| cstate/cstate cState is an open-source static status page generator built with Hugo and Go, deployable free on Netlify or GitHub Pages. It offers a read-… | 67 | 2897 | active |
| percona/grafana-dashboards A collection of Grafana dashboards for database monitoring, part of Percona Monitoring and Management (PMM). It provides prebuilt dashboard… | 10 | 2889 | active |
| target/goalert GoAlert is an open-source on-call scheduling and alert escalation application that automatically notifies the right person via SMS, voice c… | 86 | 2838 | active |
| WhyLogs whylogs is an open-source Python data logging library for machine learning models and data pipelines. It profiles datasets with privacy-pre… | 34 | 2835 | active |
| skydive-project/skydive Skydive is an open source real-time network topology and protocols analyzer that captures network topology and traffic flows across hosts, … | 38 | 2799 | active |
| openlit/openlit OpenLIT is an open-source AI engineering platform providing OpenTelemetry-native LLM observability, evaluations, guardrails, prompt managem… | 86 | 2792 | active |
| control-theory/gonzo Gonzo is a Go-based terminal UI (TUI) for real-time log analysis, inspired by k9s. It visualizes log streams with charts, filtering, and AI… | 79 | 2780 | active |
| pucherot/Pi.Alert Pi.Alert is a self-hosted WIFI/LAN intruder detector that scans the local network for connected devices using arp-scan, Pi-hole, and dnsmas… | 23 | 2768 | active |
| Erda Erda is an enterprise-grade cloud-native application platform built on Kubernetes that provides DevOps, microservice governance, and multi-… | 67 | 2756 | active |
| aristocratos/bashtop Bashtop is a terminal-based resource monitor written in Bash that displays usage and stats for CPU, memory, disks, network, and processes. … | 32 | 11115 | maintenance |
| bloomberg/goldpinger Goldpinger is a Kubernetes debugging tool that runs as a DaemonSet and makes calls between its instances to test and visualize network conn… | 98 | 2741 | active |
| connorgallopo/Tracearr Tracearr is a self-hosted, open-source monitoring platform for Plex, Jellyfin, and Emby media servers, unifying real-time session tracking,… | 80 | 2740 | active |
| ComodoSecurity/openedr OpenEDR is an open-source Endpoint Detection and Response (EDR) agent written in C++ that records endpoint telemetry, process hierarchies, … | 57 | 2730 | active |
| Unpoller Unpoller is a Go application that polls UniFi network controllers for site, device, and client metrics and exports them to InfluxDB or Prom… | 96 | 2728 | active |
| OpenTelemetry Rust The official Rust implementation of the OpenTelemetry APIs and SDKs for instrumenting applications to emit traces, metrics, and logs. It ex… | 93 | 2713 | active |
| aristocratos/bpytop bpytop is a terminal-based system resource monitor written in Python that displays usage and stats for CPU, memory, disks, network, and pro… | 39 | 10926 | maintenance |
| jfernandez/bpftop bpftop is a top-like terminal tool that provides a dynamic real-time view of running eBPF programs on Linux, showing average runtime, event… | 73 | 2708 | active |
| likaia/nginxpulse NginxPulse is a lightweight self-hosted dashboard for analyzing and visualizing Nginx access logs, built with a Go backend and Vue 3 fronte… | 65 | 2705 | active |
| OpenTelemetry Python The official OpenTelemetry API and SDK for Python, providing vendor-neutral instrumentation for distributed traces, metrics, and logs. It l… | 99 | 2685 | stable |
| prymitive/karma Karma is a web-based alert dashboard for Prometheus Alertmanager that aggregates and deduplicates alerts from multiple Alertmanager instanc… | 97 | 2681 | active |
| outflanknl/RedELK RedELK is a self-hosted SIEM built on the Elastic stack (Elasticsearch, Logstash, Kibana) tailored for red team operations. It aggregates a… | 66 | 2671 | active |
| robscott/kube-capacity kube-capacity is a Go CLI that provides an overview of CPU and memory resource requests, limits, and utilization across a Kubernetes cluste… | 43 | 2668 | active |
| OpenTelemetry Java OpenTelemetry auto-instrumentation for Java, providing a Java agent JAR that attaches to any Java 8+ application and injects bytecode to ca… | 99 | 2652 | active |
| cloudflare/ebpf_exporter A Prometheus exporter that runs custom eBPF programs to expose Linux kernel metrics not otherwise accessible, built on libbpf. It also supp… | 78 | 2652 | active |
| tariqbuilds/linux-dash A lightweight, self-hosted web dashboard for monitoring Linux servers, showing system status, resources, network, accounts, and installed a… | 23 | 10580 | maintenance |
| KubeArmor KubeArmor is a cloud-native runtime security enforcement system that restricts process execution, file access, and networking behavior of p… | 100 | 2631 | active |
| rbonghi/jetson_stats jetson-stats is a Python package for monitoring and controlling NVIDIA Jetson boards (Thor, Orin, Xavier, Nano, TX series). It provides jto… | 94 | 2627 | active |
| slok/sloth Sloth is a Go CLI and Kubernetes operator that generates Prometheus SLO recording rules and multi-window multi-burn alert rules from a simp… | 78 | 2550 | active |
| huilang-me/CF-Server-Monitor A free multi-server monitoring probe system built on Cloudflare Workers, D1, and Durable Objects, with a real-time dashboard, offline alert… | 59 | 2548 | active |
| danielqsj/kafka_exporter A Prometheus exporter written in Go that exposes Apache Kafka metrics such as broker, topic, and consumer group statistics over HTTP. It is… | 85 | 2538 | active |
| facebookincubator/below below is an interactive Rust-based system resource monitor for Linux that records historical system data and lets you view, replay, and dum… | 71 | 2535 | active |
| Alerta Alerta is a monitoring system that consolidates and de-duplicates alerts from multiple monitoring sources into a single view, combining a J… | 69 | 2530 | active |
| gao-sun/eul eul is a macOS status bar monitoring app written in SwiftUI that displays system metrics like CPU, memory, network, and battery usage. It s… | 23 | 9951 | maintenance |
| aksakalli/gtop gtop is a terminal-based system monitoring dashboard that displays CPU, memory, network, and process metrics in a graphical TUI. It is inst… | 42 | 9937 | maintenance |
| prometheus/mysqld_exporter An official Prometheus exporter that scrapes MySQL and MariaDB server metrics and exposes them in Prometheus format over HTTP. It supports … | 86 | 2463 | active |
| parseablehq/parseable Parseable is an open source, columnar data lake observability platform built in Rust that unifies logs, metrics, traces, and events in a si… | 96 | 2460 | active |
| Exceptionless Exceptionless is an open-source real-time error monitoring and reporting service for .NET, JavaScript, and Node applications, with clients … | 98 | 2457 | active |
| OpenTelemetry Java The official OpenTelemetry Java SDK, providing the Java implementation of the OpenTelemetry API for recording traces, metrics, and logs, pl… | 96 | 2456 | active |