A curated list of amazingly awesome tools, services and other shiny things for monitoring and analyze everything.

Servers

Complex infrastructure software

• Zabbix - Real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices
• Nagios - Computer system, network and infrastructure monitoring software application.
• check_mk - Collection of extensions for Nagios.
• Opsview - Based on Nagios 4, Opsview Core is ideal for small IT and test environments.
• Centreon - IT infrastructure and application monitoring for service performance.
• Naemon - Network monitoring tool based on the Nagios 4 core with performance enhancements and new features.
• Icinga 2 - A Nagios like monitoring system, rewritten and expanded.
• openITCOCKPIT - Powerful open-source monitoring tool built upon Naemon or Nagios, featuring seamless integration with Grafana, an array of comprehensive reports, and visualizations.
• Sematext Cloud - Infrastructure and log monitoring with service and log auto-discovery. Basic plan is free.

Dashboards

• Grafana - The first really good dashboard for displaying metrics.
• Dash - A low-overhead monitoring web dashboard for a GNU/Linux machine.
• Munin - Networked resource monitoring tool.
• Adagios - Web based Nagios configuration interface.
• Thruk - Multibackend monitoring web interface with support for Naemon, Nagios, and Icinga.
• Uchiwa - Simple dashboard for the Sensu monitoring framework.
• Monit - Small Open Source utility for managing and monitoring Unix systems.
• Netdata - Troubleshoot slowdowns and anomalies in your infrastructure with thousands of metrics, interactive visualizations, and insightful health alarms.

Uptime

• BetterUptime - Free for 10 monitors, checked every 3 minutes, improved incident management capabilities
• BlueWave Uptime - Open-source, self-hosted monitoring tool built with React.js, Node.js, and MongoDB, designed to track server uptime, response times, and incidents in real-time with beautiful visualizations.
• Freshping - Free for 50 monitors, checked every 1 minutes, supports websocket monitoring
• Monitive - Free for 1 service, checked every 10 minutes with unlimited email & twitter alerts
• Checkly - Code-first synthetic monitoring for modern DevOps. Monitor your APIs and apps at a fraction of the price of legacy providers. Powered by a Monitoring as Code workflow and Playwright.
• UptimeRobot - Free for 50 monitors, checked every 5 minutes
• UpTime.onl - Free for 10 URLs, checked every 5 minutes
• UpTime360 - checked every 5 minutes. Monitor server, website, blacklist, custom services and publish status pages Get notified instantly on popular notification channels like - Slack, Twitter, Email, SMS (Twillo) and Pushover
• elmah.io - Uptime monitoring combined with application error logging
• StatusList.app - Uptime monitoring with debug details and hosted status page in one dashboard
• Sematext Synthetics - Website uptime, API, and SSL certificate monitoring. Includes status pages and scriptable multi-page user transaction monitoring, etc.
• Uptime Kuma - An easy-to-use self-hosted monitoring tool.
• Phare - Free 100k monitoring events per months, 30s intervals, unlimited users, incident management, and sleek status pages.
• API Status Check - Free real-time status monitoring dashboard for 114+ developer APIs including AWS, Stripe, GitHub, and OpenAI.

APM

Application Performance monitoring

• NewRelic - Complex service for both application and infrastructure monitoring
• Last9 - OpenTelemetry-native observability platform for APM, metrics, logs, and traces, built to handle high-cardinality data at scale.
• DataDog - Complex service for both application and infrastructure monitoring
• OverOps - OverOps provides Automated Root Cause (ARC) analysis to reduce the time to identify and fix critical production application errors.
• AppSignal - Catch errors, track performance, monitor hosts, detect anomalies — all in one tool.
• BitDive - APM for Java/Kotlin with distributed tracing, method-level profiling, and performance metrics.
• Middleware - Middleware's APM helps you troubleshoot issues in real-time, optimize performance, improve user experience, and reduce downtime.
• PerfScope - Advanced Python performance profiler with decorator-based setup, call tree visualization, memory tracking, and multi-format report export.

Web Analytics

• Matomo - Take back control with Matomo – a powerful web analytics platform that gives you 100% data ownership.
• Heap Analytics - Easy event tracking without coding
• Screpy - Screpy is a web analyzer and monitoring tool. Its powered by Google Lighthouse.
• Shynet - Modern, privacy-friendly, and cookie-free web analytics.

API Status Aggregation

• API Status Check - Real-time status dashboard for 160+ third-party APIs including AI platforms (OpenAI, Anthropic), cloud providers (AWS, Vercel), payments (Stripe, PayPal), and developer tools (GitHub, Supabase). Includes embeddable status badges.
• IncidentHub - Status page aggregator for monitoring SaaS and cloud providers.
• StatusGator - Cloud service monitoring, aggregating status pages of cloud services into a single dashboard.

API Analytics

• Apitally - Analytics, request logging and monitoring for REST APIs with a focus on simplicity and data privacy.

Bug Tracking

• Honeybadger - Monitor application errors, performance, uptime, and logs in one simple tool for developers.
• Sentry - Application monitoring, event logging and aggregation.
• Bugsnag - Application monitoring, event logging and aggregation.

Anomalies

• Banshee - Real-time anomalies(outliers) detection system for periodic metrics

Logging

• Brubeck - Statsd-compatible stats aggregator written in C
• Loggly - Aggregate & analyze logs from any source
• Last9 - OpenTelemetry-native observability platform with log collection, search, and analysis.
• Logit.io - Centralise logs and metrics using the ELK Stack, Grafana & Open Distro.
• Sematext Logs - Log monitoring with log auto-discovery and alerting; comes with out of the box dashboards, pipelines for transforming, masking, dropping, sampling log events and more. Basic plan is free.

Alerting

• Moira - Most powerful alerting system, backed by Graphite.
• Alerta - Distributed, scaleable and flexible monitoring system.
• Flapjack - Monitoring notification routing & event processing system.
• Seyren - An alerting dashboard for Graphite.

Database

Tools for databases

• Anemometer - MySQL Slow Query Monitor
• QuerySharp - AI-Powered PostgreSQL performance monitoring. Slow query analysis, index recommendations, query rewriting.

Databases

• Graphite - More, than a time series database. And so awesome using with Grafana.
• Prometheus - Time series database for real-time monitoring and alerting
• InfluxDB - Time-series database built from the ground up to handle high write and query loads
• Levitate - A Managed Time Series Metrics and Events Warehouse built to handle High Cardinality data.

Network

• Cacti - Web-based network monitoring and graphing tool.
• dish - A lightweight monitoring service that efficiently checks socket connections and can be configured remotely.
• Observium - SNMP monitoring for servers and networking devices. Runs on linux.
• Smokeping - SmokePing is a deluxe latency measurement tool.
• LibreNMS - Fork of Observium.
• Fluere - Versatile network interface monitoring and analysis tool, capable of capturing network packets in pcap format, NetFlow data. supports lua based plugins

License