Monitoring
Observability
Metrics, traces, logs, dashboards, and application observability platforms.
Best Observability tools by public signals
These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.
Use Case Rankings
Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | Grafana Open-source observability platform | 100 | 100 | Open core | 75.9k | 100 | Active |
| 02 | Langfuse ๐ชข Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. ๐YC W23 | 100 | 100 | OSI-approved OSS | 32.2k | 100 | Active |
| 03 | SigNoz SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps. | 100 | 100 | OSI-approved OSS | 31.7k | 100 | Active |
| 04 | OpenObserve Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment. | 100 | 100 | OSI-approved OSS | 20.5k | 100 | Active |
| 05 | VictoriaMetrics VictoriaMetrics: fast, cost-effective monitoring solution and time series database | 100 | 100 | OSI-approved OSS | 17.4k | 100 | Active |
| 06 | Open SRE Build your own AI SRE agents. The open source toolkit for the AI era โจ | 98 | 100 | OSI-approved OSS | 9.6k | 99 | Active |
| 07 | Graylog Log management platform | 98 | 100 | License unknown | 8.1k | 98 | Active |
| 08 | Centreon Centreon is a network, system and application monitoring tool. Centreon is the only AIOps Platform Providing Holistic Visibility to Complex IT Workflows from Cloud to Edge. | 95 | 100 | OSI-approved OSS | 163 | 98 | Active |
| 09 | Latitude Latitude is the open-source agent engineering platform | 95 | 98 | OSI-approved OSS | 4.5k | 97 | Active |
| 10 | LangWatch The platform for LLM evaluations and AI agent testing | 95 | 98 | OSI-approved OSS | 3.4k | 97 | Active |
| 11 | HyperDX Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry. | 93 | 100 | OSI-approved OSS | 9.8k | 97 | Active |
| 12 | OpenLIT Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. ๐๐ป Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs. | 93 | 100 | OSI-approved OSS | 2.7k | 97 | Active |
| 13 | Komari Simple server monitoring tool. | 95 | 98 | OSI-approved OSS | 5.5k | 96 | Active |
| 14 | Arthur Monitoring and governance platform for AI and ML. | 91 | 98 | OSI-approved OSS | 85 | 96 | Active |
| 15 | Sentry Developer-first error tracking and performance monitoring | 93 | 95 | OSI-approved OSS | 44.4k | 95 | Active |
| 16 | Pyroscope Continuous Profiling Platform. Debug performance issues down to a single line of code | 93 | 95 | OSI-approved OSS | 11.6k | 95 | Active |
| 17 | OneUptime Complete open-source monitoring and observability platform. | 92 | 95 | OSI-approved OSS | 7.4k | 95 | Active |
| 18 | Traceway The only tool you need to know what is happening and how to fix it. | 91 | 98 | OSI-approved OSS | 1.1k | 95 | Active |
| 19 | Dozzle Realtime log viewer for containers. Supports Docker, Swarm and K8s. | 93 | 94 | OSI-approved OSS | 13.9k | 93 | Active |
| 20 | HolmesGPT SRE Agent - CNCF Sandbox Project | 93 | 94 | OSI-approved OSS | 3k | 93 | Active |
| 21 | Measure.sh Open source mobile monitoring that gets to the root cause. | 87 | 95 | OSI-approved OSS | 1.3k | 93 | Active |
| 22 | TraceRoot TraceRoot - open-source observability and self-healing layer for AI agents. YC S25 | 86 | 95 | OSI-approved OSS | 689 | 93 | Active |
| 23 | Laminar Laminar - open-source observability platform purpose-built for AI agents. YC S24. | 90 | 87 | OSI-approved OSS | 3.1k | 92 | Active |
| 24 | Maple OpenTelemetry observability platform. | 87 | 95 | OSI-approved OSS | 1.6k | 92 | Active |
| 25 | LogTide ๐ก๏ธ Open-source, self-hosted log management. Privacy-first alternative to Datadog & ELK. Lightweight, GDPR-compliant, and deployed in minutes with Docker. | 85 | 95 | OSI-approved OSS | 432 | 92 | Active |
| 26 | sitespeed.io sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your websiteโs speed using real browsers in various environments. | 84 | 95 | OSI-approved OSS | 5k | 92 | Active |
| 27 | LibreNMS Community-based network monitoring system. | 87 | 89 | OSI-approved OSS | 4.8k | 91 | Active |
| 28 | Netdata The fastest path to AI-powered full stack observability, even for lean teams. | 89 | 81 | OSI-approved OSS | 79.9k | 89 | Active |
| 29 | Monoscope Logs, traces, and metrics explorer with S3-compatible storage. | 84 | 87 | OSI-approved OSS | 1.5k | 89 | Active |
| 30 | HertzBeat An AI-powered next-generation open source real-time observability system. | 87 | 78 | OSI-approved OSS | 7.3k | 88 | Active |
| 31 | Quickwit Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo. | 86 | 77 | OSI-approved OSS | 11.4k | 87 | Active |
| 32 | Parseable Parseable is an observability datalake built from first principles. | 85 | 80 | OSI-approved OSS | 2.4k | 87 | Active |
| 33 | changedetection.io Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoringโall for free or enjoy our SaaS plan! | 87 | 72 | OSI-approved OSS | 32.6k | 86 | Active |
| 34 | Tianji Tianji: Insight into everything, Website Analytics + Uptime Monitor + Server Status. not only another GA alternatives | 80 | 82 | OSI-approved OSS | 3.1k | 86 | Active |
| 35 | Logwiz Self-hosted log management platform built with SvelteKit and Quickwit. | 81 | 82 | OSI-approved OSS | 78 | 85 | Active |
| 36 | OpenLinkHub Open-source web dashboard for managing Corsair AIO hardware and system metrics. | 84 | 76 | OSI-approved OSS | 1.1k | 84 | Active |
| 37 | Trickster Open source HTTP reverse proxy cache and time series dashboard accelerator. | 81 | 73 | OSI-approved OSS | 2.1k | 82 | Active |
| 38 | NodeGet Next-generation server monitoring and management tools | 80 | 65 | OSI-approved OSS | 304 | 78 | Active |
| 39 | osquery SQL powered operating system instrumentation, monitoring, and analytics. | 77 | 58 | License unknown | 23.4k | 77 | Active |
| 40 | Tactical RMM Remote monitoring and management tool. | 76 | 58 | License unknown | 4.4k | 76 | Active |
| 41 | OpenITCOCKPIT openITCOCKPIT is an Open Source system monitoring tool built for different monitoring engines like Nagios, Naemon and Prometheus. | 74 | 52 | OSI-approved OSS | 379 | 74 | Warning |
| 42 | Butler-SOS Operational metrics microservice for monitoring Qlik Sense environments. | 67 | 66 | OSI-approved OSS | 29 | 73 | Warning |
| 43 | OpenLLMetry Open-source observability for your GenAI or LLM application, based on OpenTelemetry | 74 | 47 | OSI-approved OSS | 7.3k | 72 | Warning |
| 44 | Apache SkyWalking Application performance monitoring and observability platform for distributed systems. | 73 | 46 | OSI-approved OSS | 24.9k | 71 | Warning |
| 45 | Sessy Email observability for AWS SES. | 68 | 61 | OSI-approved OSS | 907 | 71 | Warning |
| 46 | Tailpipe select * from logs; Tailpipe is an open source SIEM for instant log insights, powered by DuckDB. Analyze millions of events in seconds, right from your terminal. | 73 | 36 | OSI-approved OSS | 573 | 68 | Warning |
| 47 | Uptrace Open source APM: OpenTelemetry traces, metrics, and logs | 62 | 33 | OSI-approved OSS | 4.2k | 63 | Warning |
| 48 | StackPatrol Single-binary server monitor that alerts on infrastructure failures. | 54 | 46 | OSI-approved OSS | 1 | 63 | Warning |
| 49 | Helicone ๐ง Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 ๐ | 72 | 14 | OSI-approved OSS | 6k | 61 | Warning |
| 50 | Telescope Web-based log viewer UI. Explore logs data stored in several sources: ClickHouse, Kubernetes or Docker | 53 | 20 | OSI-approved OSS | 707 | 54 | Warning |
| 51 | Beszel Lightweight server monitoring with historical data, docker stats, and alerts. | 59 | 12 | OSI-approved OSS | 23.9k | 52 | Warning |
| 52 | highlight.io highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more. | 68 | 0 | OSI-approved OSS | 9.4k | 51 | Warning |
| 53 | DodoPulse Monitor macOS system metrics in real time with graphs for CPU, memory, GPU, network, and disk performance. | 59 | 14 | OSI-approved OSS | 3 | 51 | Warning |
| 54 | Evidently Evidently is โโan open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics. | 47 | 12 | OSI-approved OSS | 7.8k | 49 | Critical |
| 55 | LLMOps Stack Modular open-source LLMOps stack for API routing, evaluation, and observability. | 59 | 0 | OSI-approved OSS | 143 | 48 | Warning |
| 56 | Nightmend AI-powered monitoring platform with auto-remediation and runbooks. | 32 | 22 | OSI-approved OSS | 19 | 42 | Critical |
| 57 | CortexBrain CortexBrain is an ambitious open-source project designed to build an intelligent, lightweight, and highly efficient monitoring platform for distributed cloud and hybrid (cloudโedge) workflows | 46 | 0 | OSI-approved OSS | 83 | 40 | Critical |
| 58 | CloudSavvy Monitor and detect anomalies in AWS accounts to aid in cost reduction and performance improvement. | 38 | 7 | OSI-approved OSS | 0 | 40 | Critical |
| 59 | NeoHtop ๐ช๐ป Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte) | 38 | 0 | OSI-approved OSS | 9.2k | 38 | Critical |
| 60 | Monigo MoniGo is a performance monitoring library for Go apps, offering real-time insights into service-level and function-level metrics. With an intuitive UI, it enables developers to track and optimize performance. Get your Go app's dashboard up in just 10 seconds! | 34 | 4 | OSI-approved OSS | 409 | 37 | Critical |
| 61 | AI Error Tracking Platform AI-powered error tracking and monitoring platform with multi-channel notifications. | 33 | 0 | OSI-approved OSS | 0 | 35 | Critical |
| 62 | Beaver Iot Beaver IoT is an open-source platform that empowers individuals and businesses to easily connect, monitor, and control smart devices. | 26 | 4 | OSI-approved OSS | 71 | 34 | Critical |
| 63 | ctop Top-like interface for container metrics | 33 | 0 | OSI-approved OSS | 17.8k | 32 | Critical |
| 64 | WireQuery Session replay and API exploration tool. | 28 | 0 | License unknown | 307 | 32 | Critical |
| 65 | Hypertrace Open-source distributed tracing and observability platform. | 28 | 0 | License unknown | 519 | 31 | Critical |
| 66 | Sampler Tool for shell commands execution, visualization and alerting. Configured with a simple YAML file. | 30 | 0 | OSI-approved OSS | 14.7k | 30 | Critical |
| 67 | Baselinr Open-source data quality platform for SQL warehouses. | 23 | 0 | OSI-approved OSS | 3 | 28 | Critical |
| 68 | FlowMetr Workflow, pipeline, and AI agent observability platform for metrics, logs, and traces. | 8 | 0 | OSI-approved OSS | 41 | 22 | Critical |
Evidence Watch
Tracked tools with useful public signals but no verdict score yet.
Akmatori
Open-source AI agents for incident management.
99 confidenceBeaconchain Dashboard
Open-source dashboard for ethereum and gnosis validator performance tracking.
71 confidenceBottom
Yet another cross-platform graphical process/system monitor.
88 confidenceChaos Genius
ML powered analytics engine for outlier/anomaly detection and root cause analysis
91 confidenceCheckmk
Checkmk - Best-in-class infrastructure & application monitoring
91 confidenceDrydock
Open source container update monitoring with notifications, audit log, OIDC auth, and metrics.
91 confidenceElementary
The dbt-native data observability solution for data & analytics engineers. Monitor your data pipelines in minutes. Available as self-hosted or cloud service with premium features.
98 confidenceFuture AGI
Open-source platform for evaluating, observing, and improving LLM and AI agent applications.
100 confidenceFUXA
Web-based process visualization and SCADA/HMI dashboard software.
99 confidenceGlances
Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, Mac OS and Windows operating systems.
100 confidenceGoAlert
Open-source on-call scheduling, escalations, and notifications.
72 confidenceGreptimeDB
The open-source Observability 2.0 database. One engine for metrics, logs, and traces โ replacing Prometheus, Loki & ES.
100 confidenceHeimdall
Open source observability platform for MCP servers and apps.
57 confidenceHOMER
Open-source SIP, VoIP, and RTC packet capture and monitoring platform.
82 confidenceJaeger
Distributed tracing platform for monitoring and troubleshooting microservices.
100 confidenceKubeshark
Kubernetes network observability platform for inspecting cluster traffic.
100 confidenceLangtrace
Langtrace ๐ is an open-source, Open Telemetry based end-to-end observability tool for LLM applications, providing real-time tracing, evaluations and metrics for popular LLMs, LLM frameworks, vectorDBs and more.. Integrate using Typescript, Python. ๐๐ป๐
94 confidencellm.report
๐ llm.report is an open-source logging and analytics platform for OpenAI: Log your ChatGPT API requests, analyze costs, and improve your prompts.
73 confidenceMCPCat
Analytics platform for MCP server owners.
100 confidenceMonadPulse
Independent open-source analytics platform for Monad with live blocks, validators, staking, gas, and alerts.
82 confidenceMonitoror
Unified monitoring wallboard.
78 confidenceNagvis
Visualization addon for your open source monitoring core
97 confidenceNerdlog
Nerdlog: fast, remote-first, multi-host TUI log viewer with timeline histogram and no central server
81 confidenceNetWatcher
Open-source distributed network monitoring platform.
62 confidencenetxms
NetXMS - Open Source network and infrastructure monitoring and management
93 confidenceNightingale
Nightingale is to monitoring and alerting what Grafana is to visualization.
100 confidenceNyaayWatch
Open-source observability layer for India's courts.
62 confidenceodigos
Distributed tracing without code changes. ๐ Instantly monitor any application using OpenTelemetry and eBPF
90 confidenceOpenClaw Telemetry
Capture and monitor tool calls, LLM requests, and agent sessions with telemetry.
71 confidenceOpik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
100 confidenceOpsRobot
Observability platform for Digital Employee with tracing, session insights, and cost analysis for multi-agent workflows.
82 confidencePellametric
Open-source AI engineering analytics platform.
94 confidencePercona PMM
Percona Monitoring and Management: an open source database monitoring, observability and management tool
100 confidencePerformance Co-Pilot
Performance Co-Pilot
98 confidencePrometheus
The Prometheus monitoring system and time series database.
94 confidencePulse
Real-time monitoring for Proxmox, Docker, and Kubernetes with AI-powered insights, smart alerts, and a beautiful unified dashboard
88 confidenceRagaAI Catalyst
Python SDK for Agent AI Observability, Monitoring and Evaluation Framework. Includes features like agent, llm and tools tracing, debugging multi-agentic system, self-hosted dashboard and advanced analytics with timeline and execution graph view
62 confidenceRejourney
Self-hostable observability tool for web and mobile applications.
100 confidenceServiceRadar
Zero-trust open source network management and observability platform.
79 confidenceShinzo
Observability platform for AI agents and MCP servers.
90 confidenceSigLens
100x Efficient Log Management than Splunk :rocket: Reduce your observability cost by 90%
66 confidenceSolectrus
SOLECTRUS is a smart photovoltaic dashboard that displays your energy production and consumption. It also calculates costs and savings, helping you maximize the benefits of your solar system.
97 confidenceStackTrace
Open-source observability stack with logs, metrics, alerts, and public status pages.
62 confidenceSubtrace
Network inspector for your backend
83 confidenceThanos
Highly available Prometheus-compatible metrics system with long-term storage.
93 confidenceToken Telemetry
Token telemetry dashboard for AI coding agents that tracks tokens, sessions, tool calls, and reasoning.
80 confidenceVector
A high-performance observability data pipeline.
97 confidenceWorldMonitor
Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface
100 confidenceZabbix
Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
95 confidenceZipkin
Distributed tracing system for collecting and querying timing data from services.
98 confidence