ToolVitals

Monitoring

📈

Observability

Metrics, traces, logs, dashboards, and application observability platforms.

124 tools tracked, 118 scored verdicts

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.

Best overallSigNoz100 score License-safe pickSigNozOSI-approved OSS Fastest shippingSigNoz100 shipping
grafana vs prometheus

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 SigNoz
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
 100 100 OSI-approved OSS 27.3k 100 Active
02 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 19.2k 100 Active
03 VictoriaMetrics
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
 100 100 OSI-approved OSS 17.1k 100 Active
04 Graylog
Log management platform
 98 100 License unknown 8.1k 99 Active
05 Future AGI
Open-source platform for evaluating, observing, and improving LLM and AI agent applications.
 98 100 OSI-approved OSS 1.1k 99 Active
06 Sentry
Developer-first error tracking and performance monitoring
 98 95 OSI-approved OSS 44.1k 98 Active
07 Pyroscope
Continuous Profiling Platform. Debug performance issues down to a single line of code
 96 100 OSI-approved OSS 11.5k 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 155 98 Active
09 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 9.6k 97 Active
10 Open SRE
Build your own AI SRE agents. The open source toolkit for the AI era ✨
 93 100 OSI-approved OSS 6.8k 97 Active
11 Arthur
Monitoring and governance platform for AI and ML.
 91 100 OSI-approved OSS 82 96 Active
12 Prometheus
The Prometheus monitoring system and time series database.
 93 95 OSI-approved OSS 64.5k 95 Active
13 OneUptime
Complete open-source monitoring and observability platform.
 92 95 OSI-approved OSS 7.1k 95 Active
14 Laminar
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
 92 95 OSI-approved OSS 3k 95 Active
15 OpenLLMetry
Open-source observability for your GenAI or LLM application, based on OpenTelemetry
 95 89 OSI-approved OSS 7.2k 94 Active
16 HolmesGPT
SRE Agent - CNCF Sandbox Project
 93 100 OSI-approved OSS 2.6k 94 Active
17 Dozzle
Realtime log viewer for containers. Supports Docker, Swarm and K8s.
 93 98 OSI-approved OSS 13.3k 94 Active
18 Elementary
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.
 93 90 OSI-approved OSS 2.4k 94 Active
19 OpenLIT
Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.
 93 89 OSI-approved OSS 2.5k 94 Active
20 LibreNMS
Community-based network monitoring system.
 91 95 OSI-approved OSS 4.8k 94 Active
21 Percona PMM
Percona Monitoring and Management: an open source database monitoring, observability and management tool
 92 89 OSI-approved OSS 1k 93 Active
22 Monoscope
Logs, traces, and metrics explorer with S3-compatible storage.
 87 95 OSI-approved OSS 1.1k 93 Active
23 odigos
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF
 86 100 OSI-approved OSS 3.7k 93 Active
24 Netdata
The fastest path to AI-powered full stack observability, even for lean teams.
 92 86 OSI-approved OSS 79.1k 92 Active
25 LogTide
🛡️ Open-source, self-hosted log management. Privacy-first alternative to Datadog & ELK. Lightweight, GDPR-compliant, and deployed in minutes with Docker.
 89 89 OSI-approved OSS 414 92 Active
26 RuView
π RuView: WiFi DensePose turns commodity WiFi signals into real-time human pose estimation, vital sign monitoring, and presence detection — all without a single pixel of video.
 86 93 OSI-approved OSS 73.2k 92 Active
27 Maintenant
Drop a container. Your stack is monitored.
 86 93 OSI-approved OSS 335 92 Active
28 Traceway
The only tool you need to know what is happening and how to fix it.
 85 98 OSI-approved OSS 850 92 Active
29 Vector
A high-performance observability data pipeline.
 89 89 OSI-approved OSS 22k 91 Active
30 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 monitoring—all for free or enjoy our SaaS plan!
 88 89 OSI-approved OSS 32k 91 Active
31 HOMER
Open-source SIP, VoIP, and RTC packet capture and monitoring platform.
 87 98 OSI-approved OSS 2k 91 Active
32 sitespeed.io
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
 84 93 OSI-approved OSS 5k 91 Active
33 NodeGet
Next-generation server monitoring and management tools
 85 95 OSI-approved OSS 269 90 Active
34 Jaeger
Distributed tracing platform for monitoring and troubleshooting microservices.
 85 89 OSI-approved OSS 22.9k 90 Active
35 Glances
Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, Mac OS and Windows operating systems.
 88 80 OSI-approved OSS 32.8k 89 Active
36 Nightingale
Nightingale is to monitoring and alerting what Grafana is to visualization.
 88 80 OSI-approved OSS 13.1k 89 Active
37 Quickwit
Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.
 86 83 OSI-approved OSS 11.3k 89 Active
38 Performance Co-Pilot
Performance Co-Pilot
 85 87 OSI-approved OSS 1.1k 89 Active
39 Regen
Open-source incident management with alerts, on-call, and AI post-mortems.
 81 90 OSI-approved OSS 44 89 Active
40 Robusta
Better Prometheus alerts for Kubernetes - smart grouping, AI enrichment, and automatic remediation
 90 82 OSI-approved OSS 3k 88 Active
41 Drydock
Open source container update monitoring with notifications, audit log, OIDC auth, and metrics.
 81 95 OSI-approved OSS 204 88 Active
42 Keep
The open-source AIOps and alert management platform
 94 67 OSI-approved OSS 11.9k 87 Active
43 Logwiz
Self-hosted log management platform built with SvelteKit and Quickwit.
 81 87 OSI-approved OSS 45 87 Active
44 Rejourney
Self-hostable observability tool for web and mobile applications.
 79 88 License unknown 138 87 Active
45 Maple
OpenTelemetry observability platform.
 78 88 OSI-approved OSS 1.2k 86 Active
46 netxms
NetXMS - Open Source network and infrastructure monitoring and management
 79 84 License unknown 373 85 Active
47 Parseable
Parseable is an observability datalake built from first principles.
 85 73 OSI-approved OSS 2.4k 84 Active
48 Tianji
Tianji: Insight into everything, Website Analytics + Uptime Monitor + Server Status. not only another GA alternatives
 83 71 OSI-approved OSS 3k 84 Active
49 OpenLinkHub
Open-source web dashboard for managing Corsair AIO hardware and system metrics.
 82 78 OSI-approved OSS 1.1k 84 Active
50 OpsRobot
Observability platform for Digital Employee with tracing, session insights, and cost analysis for multi-agent workflows.
 77 87 OSI-approved OSS 136 84 Active
51 Zabbix
Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
 82 72 OSI-approved OSS 6k 83 Active
52 OpenITCOCKPIT
openITCOCKPIT is an Open Source system monitoring tool built for different monitoring engines like Nagios, Naemon and Prometheus.
 80 73 OSI-approved OSS 376 83 Active
53 Kuvasz
Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with multiple notification channels, status pages, IAC support via YAML, Prometheus integration, a complete REST API and many more!
 83 69 OSI-approved OSS 526 82 Active
54 FUXA
Web-based process visualization and SCADA/HMI dashboard software.
 81 70 OSI-approved OSS 4.6k 82 Active
55 Pulse
Real-time monitoring for Proxmox, Docker, and Kubernetes with AI-powered insights, smart alerts, and a beautiful unified dashboard
 88 63 OSI-approved OSS 5.9k 81 Active
56 Komari
Simple server monitoring tool.
 86 65 OSI-approved OSS 4.9k 81 Active
57 OpenStatus
🫖 Status page with uptime monitoring & API monitoring as code 🫖
 79 72 OSI-approved OSS 8.7k 81 Active
58 TraceRoot
TraceRoot - open-source observability and self-healing layer for AI agents. YC S25
 74 76 OSI-approved OSS 617 81 Warning
59 Apache SkyWalking
Application performance monitoring and observability platform for distributed systems.
 84 57 OSI-approved OSS 24.8k 80 Active
60 Checkmk
Checkmk - Best-in-class infrastructure & application monitoring
 77 72 OSI-approved OSS 2.3k 80 Active
61 Akmatori
Open-source AI agents for incident management.
 70 78 OSI-approved OSS 26 80 Warning
62 Kubeshark
Kubernetes network observability platform for inspecting cluster traffic.
 79 63 OSI-approved OSS 12k 78 Active
63 Butler-SOS
Operational metrics microservice for monitoring Qlik Sense environments.
 70 76 OSI-approved OSS 29 78 Warning
64 Nagvis
Visualization addon for your open source monitoring core
 72 65 OSI-approved OSS 121 77 Warning
65 WorldMonitor
Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface
 71 65 OSI-approved OSS 56.3k 77 Warning
66 Gatus
Automated developer-oriented status page with alerting and incident support
 88 47 OSI-approved OSS 11.2k 76 Warning
67 Kener
Stunning status pages, batteries included!
 83 51 OSI-approved OSS 5k 76 Warning
68 Upptime
⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary
 73 66 OSI-approved OSS 17.1k 76 Warning
69 Beszel
Lightweight server monitoring with historical data, docker stats, and alerts.
 82 53 OSI-approved OSS 22.6k 75 Warning
70 Uptrace
Open source APM: OpenTelemetry traces, metrics, and logs
 82 46 OSI-approved OSS 4.2k 75 Warning
71 Thanos
Highly available Prometheus-compatible metrics system with long-term storage.
 79 59 OSI-approved OSS 14.1k 75 Active
72 osquery
SQL powered operating system instrumentation, monitoring, and analytics.
 81 46 License unknown 23.3k 74 Warning
73 Scanopy
Network diagrams that update themselves
 65 61 OSI-approved OSS 5k 73 Warning
74 HertzBeat
An AI-powered next-generation open source real-time observability system.
 76 43 OSI-approved OSS 7.3k 72 Warning
75 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.
 78 34 OSI-approved OSS 564 70 Warning
76 ServiceRadar
Zero-trust open source network management and observability platform.
 62 63 OSI-approved OSS 874 70 Warning
77 Sessy
Email observability for AWS SES.
 64 54 OSI-approved OSS 886 67 Warning
78 open-status
Open source status page.
 64 54 License unknown 1 66 Warning
79 Tactical RMM
Remote monitoring and management tool.
 67 41 License unknown 4.3k 64 Warning
80 Trickster
Open source HTTP reverse proxy cache and time series dashboard accelerator.
 67 41 OSI-approved OSS 2.1k 64 Warning
81 NetWatcher
Open-source distributed network monitoring platform.
 59 58 OSI-approved OSS 1 64 Warning
82 GoAlert
Open-source on-call scheduling, escalations, and notifications.
 71 35 OSI-approved OSS 2.8k 63 Warning
83 NyaayWatch
Open-source observability layer for India's courts.
 59 56 OSI-approved OSS 2 63 Warning
84 MCPCat
Analytics platform for MCP server owners.
 64 27 OSI-approved OSS 103 62 Warning
85 Beaconchain Dashboard
Open-source dashboard for ethereum and gnosis validator performance tracking.
 62 38 OSI-approved OSS 3 59 Warning
86 Peekaping
Open Source Uptime Kuma Alternative
 60 27 OSI-approved OSS 1.1k 59 Warning
87 Zipkin
Distributed tracing system for collecting and querying timing data from services.
 59 27 OSI-approved OSS 17.4k 59 Warning
88 MonadPulse
Independent open-source analytics platform for Monad with live blocks, validators, staking, gas, and alerts.
 56 30 OSI-approved OSS 0 57 Warning
89 Lunalytics
🚀 Open source monitoring tool built with Node.js
 51 30 OSI-approved OSS 730 56 Warning
90 bitwobbly
Open-source website monitoring and public status pages built on Cloudflare Workers.
 54 31 OSI-approved OSS 3 55 Warning
91 CState
🔥 Open source static (serverless) status page. Uses hyperfast Go & Hugo, minimal HTML/CSS/JS, customizable, outstanding browser support (IE8+), preloaded CMS, read-only API, badges & more.
 62 14 OSI-approved OSS 2.9k 54 Warning
92 Open Scouts
🔥 AI-powered web monitoring platform. Create automated scouts that search the web and send email alerts when they find what you're looking for.
 59 21 License unknown 1.3k 54 Warning
93 Nightmend
AI-powered monitoring platform with auto-remediation and runbooks.
 38 47 OSI-approved OSS 17 53 Warning
94 Cachet
🚦 Cachet, the open-source, self-hosted status page system.
 62 14 License unknown 15.1k 52 Warning
95 DodoPulse
Monitor macOS system metrics in real time with graphs for CPU, memory, GPU, network, and disk performance.
 59 14 OSI-approved OSS 2 51 Warning
96 OpenClaw Telemetry
Capture and monitor tool calls, LLM requests, and agent sessions with telemetry.
 59 14 OSI-approved OSS 1 51 Warning
97 Evidently
Evidently is ​​an 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.
 50 12 OSI-approved OSS 7.6k 51 Warning
98 StackTrace
Open-source observability stack with logs, metrics, alerts, and public status pages.
 51 24 License unknown 0 50 Warning
99 CheckCle
CheckCle is a self-hosted, open-source monitoring platform for seamless, real-time full-stack systems, applications, and infrastructure. It provides real-time uptime monitoring, distributed checks, incident tracking, and alerts. All deployable anywhere.
 54 10 OSI-approved OSS 2.7k 49 Warning
100 EZTrack OS
Open-source incident management and event operations platform.
 43 23 OSI-approved OSS 0 47 Critical
101 highlight.io
highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.
 54 7 OSI-approved OSS 9.3k 45 Warning
102 AI Error Tracking Platform
AI-powered error tracking and monitoring platform with multi-channel notifications.
 44 7 OSI-approved OSS 0 44 Critical
103 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!
 41 10 OSI-approved OSS 409 44 Critical
104 UpTrack
Open-source uptime monitoring and incident management platform.
 41 7 License unknown 1 41 Critical
105 CloudSavvy
Monitor and detect anomalies in AWS accounts to aid in cost reduction and performance improvement.
 38 7 OSI-approved OSS 0 40 Critical
106 WatchYourLAN
Lightweight network IP scanner written in Go. With notifications, history, export to Grafana
 39 0 OSI-approved OSS 7k 36 Critical
107 Shinzo
Observability platform for AI agents and MCP servers.
 31 0 License unknown 34 36 Critical
108 Beaver Iot
Beaver IoT is an open-source platform that empowers individuals and businesses to easily connect, monitor, and control smart devices.
 30 4 OSI-approved OSS 70 36 Critical
109 SigLens
100x Efficient Log Management than Splunk :rocket: Reduce your observability cost by 90%
 24 17 OSI-approved OSS 1.6k 36 Critical
110 LLMOps Stack
Modular open-source LLMOps stack for API routing, evaluation, and observability.
 28 0 OSI-approved OSS 140 34 Critical
111 ctop
Top-like interface for container metrics
 33 0 OSI-approved OSS 17.8k 32 Critical
112 Baselinr
Open-source data quality platform for SQL warehouses.
 28 0 OSI-approved OSS 3 32 Critical
113 Monitoror
Unified monitoring wallboard.
 31 0 OSI-approved OSS 4.4k 31 Critical
114 Sampler
Tool for shell commands execution, visualization and alerting. Configured with a simple YAML file.
 30 0 OSI-approved OSS 14.6k 30 Critical
115 Chaos Genius
ML powered analytics engine for outlier/anomaly detection and root cause analysis
 23 0 OSI-approved OSS 777 30 Critical
116 Hypertrace
Open-source distributed tracing and observability platform.
 23 0 License unknown 520 29 Critical
117 Uptimed
Open-source self-hosted monitoring platform for uptime checks, alerts, incident management, and status pages.
 17 7 OSI-approved OSS 1 28 Critical
118 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.

CortexBrain

CortexBrain is an ambitious open-source project designed to build an intelligent, lightweight, and highly efficient monitoring platform for distributed cloud and hybrid (cloud–edge) workflows

62 confidence

Heimdall

Open source observability platform for MCP servers and apps.

57 confidence

RagaAI 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 confidence

RespondNow

Open-source incident management tool for the cloud native ecosystem.

73 confidence