Checkmk vs. Nagios Core Comparison


Checkmk	Nagios Core Nagios Enterprises	+	+
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		Related Products AdRem NetCrunch NetCrunch is commercial, self-hosted, agentless network and IT infrastructure monitoring software for Windows Server. It monitors network devices, servers, virtualization platforms, cloud services, applications, websites, logs, telemetry, and network traffic across on-premises and hybrid IT environments. Network traffic analysis supports NetFlow, sFlow, IPFIX, and other flow technologies. NetCrunch supports 680+ monitoring targets and provides 270+ ready-to-use Monitoring Packs for devices, applications, and operating systems. Licensing is based on monitored nodes and network interfaces rather than individual sensors, checks, or metrics. Real-time dashboards, policy-based monitoring, advanced alerting, and 40+ automated response actions—including remote script execution, service restart, process termination, and device reboot—support centralized monitoring and automated remediation. NetCrunch runs on Windows Server and can monitor infrastructure deployed on-premises, in the cloud, or across hybrid environments. 165 Ratings Visit Website Grafana Cloud Grafana Labs delivers the leading AI-powered observability platform, built around Grafana—the world’s most widely adopted open source technology for dashboards and visualization. Recognized as a Leader in the 2026 Gartner® Magic Quadrant™ for Observability Platforms (3x) and furthest in Completeness of Vision (2025, 2026), Grafana Labs supports more than 25 million users and thousands of organizations, from startups to the Fortune 500. Grafana Cloud is the open observability cloud, built on open source, open standards, and open ecosystems. Powered by the LGTM stack—Grafana (visualization), Mimir (metrics), Loki (logs) & Tempo (traces)—it unifies telemetry in one platform for full-stack visibility across applications, infrastructure, and digital experiences. With the AI-powered Grafana Assistant and Adaptive Telemetry suite, teams detect and resolve issues faster, reduce wasteful telemetry spend, and gain real-time insights to ensure reliability. Native OTel support and 100s of integrations mean you can plug in existing tools & data sources. 861 Ratings Visit Website PathSolutions TotalView PathSolutions TotalView network monitoring and troubleshooting software bridges the gap between NETWORK MONITORING and TROUBLESHOOTING RESOLUTION telling you WHEN, WHERE and WHY network errors occur. PathSolutions TotalView continuously monitors and tracks the performance of every device and every link in your entire network, going deeper than other solutions by collecting error counters, performance data, configuration information and connectedness. A built-in heuristics engine analyzes all of this information to produce plain-English answers to problems. This means that complex problems can be solved by junior level engineers leaving the senior level engineers to work on more strategic level projects. The core product includes everything needed to run a perfectly healthy network: Configuration management, server monitoring, cloud service monitoring, IPAM, NetFlow, path mapping, and diagramming. Get Total Network Visibility on your network and solve more problems faster. 43 Ratings Visit Website Uptime.com Uptime.com provides comprehensive, unified visibility into the availability and performance of critical services. Monitoring tools empower engineering, operations and SRE teams to maintain oversight of their web stack and respond to outages through customizable alerting channels. Uptime.com offers a broad set of monitoring capabilities, including web, network, and email. API and transaction checks offer synthetic monitoring to perform multi-step validations of critical flows and services. Monitor public and private resources through a unified interface that streamlines configuration and alerting. Set up and customize Status Pages with your company branding to communicate incidents and maintenance to both customers and internal teams. Provide a single-page overview that shows your overall service health at a glance. Robust and customizable SLA reporting allows stakeholders to stay informed on incidents and downtime. 479 Ratings Visit Website Overmonitor Overmonitor is a cloud-based infrastructure, website, and endpoint monitoring platform built for fast setup without enterprise complexity. Monitor websites, APIs, servers, processes, Windows services, event logs, performance counters, SNMP data, uptime, response time, DNS, SSL certificates, internal endpoints, and network health from one dashboard. The lightweight 2.1 MB agent runs as an idle process, requires no inbound firewall exceptions or open ports, and sends a secure heartbeat every minute. Configure monitoring quickly through the web interface and target checks by city-level geography. Maintenance windows suppress expected noise, while configurable alerts, push notifications, and audible dashboards keep the right people informed. Multi-location endpoint checks validate incidents, reduce false alarms, expose regional problems, and reveal how availability and responsiveness differ across target markets. Distributed Monitors expand Overmonitor’s network by allowing eligible servers to opt in and check up to 10 external endpoints. Checks add negligible data to the existing heartbeat, require no extra configuration or firewall changes, execute no remote web scripts, and store no monitored data on the server. If a participating server or network becomes unavailable, its checks are automatically reassigned. Participation also earns prorated invoice credits. Trend Analysis turns historical infrastructure metrics into proactive capacity planning. Choose from thousands of performance counters, including CPU utilization, available memory, and disk space, then assign minimum and maximum thresholds. Once enough data has been collected, Overmonitor applies linear regression to estimate when a metric may cross its limits. A configurable planning horizon controls when responsible team members are alerted, helping you rebalance workloads, tune resources, or scale capacity before performance becomes an outage or unbudgeted emergency. Trend Analysis is included with every server metric at no additional charge. Overmonitor also includes process rollups, embeddable performance graphs, endpoint health visibility, flexible retention, multiple users with roles, and à la carte pricing so you pay only for the monitoring you need. Detect outages, correlate website symptoms with server health, analyze performance, track availability, and improve end-user experience before small issues become downtime. 8 Ratings Visit Website Auvik Auvik's cloud-based network monitroing and management software gives you instant insight into the networks you manage, and automates complex and time-consuming network tasks. You get complete network visibility and control. Real-time network mapping & inventory means you'll always know exactly whats where, even as your users move. Automated config backup & restore on network devices means you'll mitigate network risk with no manual effort. And deep network traffic insights is a game changer. Whether you are a corporate IT professional or a Managed Service Provider, Auvik has a simple, out of the box solution for you and your team that only take minutes to deploy. 678 Ratings Visit Website New Relic There are an estimated 25 million engineers in the world across dozens of distinct functions. As every company becomes a software company, engineers are using New Relic to gather real-time insights and trending data about the performance of their software so they can be more resilient and deliver exceptional customer experiences. Only New Relic provides an all-in-one platform that is built and sold as a unified experience. With New Relic, customers get access to a secure telemetry cloud for all metrics, events, logs, and traces; powerful full-stack analysis tools; and simple, transparent usage-based pricing with only 2 key metrics. New Relic has also curated one of the industry’s largest ecosystems of open source integrations, making it easy for every engineer to get started with observability and use New Relic alongside their other favorite applications. 2,941 Ratings Visit Website NinjaOne NinjaOne unifies IT to simplify work for 35,000+ customers in 140+ countries. The NinjaOne Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organizations give employees a great technology experience to work faster, smarter, and easier while IT teams modernize and improve efficiency. NinjaOne is a Leader in the Gartner Magic Quadrant for Endpoint Management Tools. 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The solution provides users with both agent based and agentless log collection, log parsing capabilities, a powerful log search engine and log archiving options. With network device auditing functionality, it enables users to monitor their end-user devices, firewalls, routers, switches and more in real time. The solution displays analyzed data in the form of graphs and intuitive reports. EventLog Analyzer's incident detection mechanisms such as event log correlation, threat intelligence, MITRE ATT&CK framework implementation, advanced threat analytics, and more, helps spot security threats as soon as they occur. The real-time alert system alerts users about suspicious activities, so they can prioritize high-risk security threats. 211 Ratings Visit Website
About Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container Monitoring	About Nagios Core is the monitoring and alerting engine that serves as the primary application around which hundreds of Nagios projects are built. Nagios Core serves as the basic event scheduler, event processor, and alert manager for elements that are monitored. It features several APIs that are used to extend its capabilities to perform additional tasks, is implemented as a daemon written in C for performance reasons, & is designed to run natively on Linux/*nix systems. Alerts with escalation capabilities are delivered to IT staff via email and SMS to ensure fast detection of outages. Event handlers can automatically restart failed applications, servers, devices, and services when problems are found. Gain a centralized view of your entire IT operations and review detailed status information through the web interface.
Platforms Supported Windows Not Supported Mac Not Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience System administrators, IT managers and DevOps	Audience IT professionals and anyone searching for a solution to optimize their drives and improve efficiency
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $0/year Pricing is per service i.e. per monitored metric such as CPU utilization Free Version Supported Free Trial Supported	Pricing No information available. Free Version Supported Free Trial Supported
Reviews/Ratings Overall 4.5 / 5 ease 5.0 / 5 features 5.0 / 5 design 4.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews
Pros & Cons from Real Users Pros -The user interface and graphical user interface are straightforward and easy to use, updates are effortless to implement. -It can easily monitor city platforms, databases, servers, etc. -You can customize the notification, being based on Nagios, it is mighty and swift to use. It's the best IT monitoring solution. It can monitor cloud, server and database flawlessly. It monitors core performance and resources. Very easy to deploy and check Azure cloud performance. Cons -The front-end design is a bit outdated and can be improved for the user's better experience. Other than that, everything works fine and effortless. Overall it's an outstanding IT monitoring solution.	Pros & Cons from Real Users Pros The online resources available make using Nagios a breeze. The installation was simple to do following documentation and online video tutorials. Cons Super busy website . Had to click more than one download button. But honestly that was the worst of it. Not bad.
Training Documentation Supported Webinars Supported Live Online Supported In Person Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Not Supported
Company Information Checkmk Founded: 2007 Germany checkmk.com	Company Information Nagios Enterprises Founded: 2007 United States www.nagios.com/products/nagios-core/
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Categories Business Activity Monitoring Supported Cloud Management Supported Cloud Monitoring Supported Container Monitoring Supported Container Security Supported Database Monitoring Supported Hardware Monitoring Supported IT Alerting Supported IT Infrastructure Monitoring Supported Log Analysis Supported Log Monitoring Supported Network Mapping Supported Network Monitoring Supported Server Management Supported Server Monitoring Supported System Monitoring Supported Website Monitoring Supported	Categories IT Alerting Supported IT Infrastructure Monitoring Supported Network Monitoring Supported SNMP Monitoring Supported System Monitoring Supported Website Monitoring Supported
IT Infrastructure Monitoring Features Alerts / Notifications Supported Application Monitoring Supported Bandwidth Monitoring Supported Capacity Planning Supported Configuration Change Management Supported Data Movement Monitoring Supported Health Monitoring Supported Multi-Platform Support Supported Performance Monitoring Supported Point-in-Time Visibility Not Supported Reporting / Analytics Supported Virtual Machine Monitoring Supported Network Monitoring Features Bandwidth Monitoring Supported Baseline Manager Not Supported Diagnostic Tools Supported Internet Usage Monitoring Supported IP Address Monitoring Supported Real Time Analytics Supported Resource Management Not Supported Server Monitoring Supported SLA Monitoring Supported Uptime Monitoring Supported Web Traffic Reporting Supported System Monitoring Features Alerts / Notifications Supported Antivirus Management Not Supported Data Backup / Recovery Not Supported Device Monitoring Supported Inventory Management Supported Patch Management Not Supported Policy-based Automation Supported Remote Monitoring Supported Reporting / Analytics Supported Risk Analysis Not Supported Server Monitoring Supported Service Configuration Management Supported Website Monitoring Features Availability Testing Supported Event Logs Supported Event-Based Notifications Supported FTP Monitoring Supported Mail Server Monitoring Supported Maintenance Scheduling Supported Performance Metrics Supported Real Time Monitoring Supported Transaction Monitoring Supported Uptime Reporting Supported Show More Features Business Activity Monitoring Features Alerts / Notifications Supported Business Process Management Supported Cross Application Analysis Supported Email Monitoring Supported Events Monitoring Supported KPI Monitoring Supported Pre-Configured Events Supported Reporting / Analytics Supported Workflow Management Not Supported Cloud Management Features Access Control Not Supported Billing & Provisioning Not Supported Capacity Analytics Supported Cost Management Supported Demand Monitoring Not Supported Multi-Cloud Management Supported Performance Analytics Supported SLA Management Supported Supply Monitoring Supported Workflow Approval Not Supported Container Security Features Access Roles / Permissions Supported Application Performance Tracking Not Supported Centralized Policy Management Not Supported Container Stack Scanning Supported Image Vulnerability Detection Not Supported Reporting Supported Testing Supported View Container Metadata Supported Database Monitoring Features Anomaly Detection Supported Autodiscovery Supported Capacity Planning Supported Dashboard Supported Dependency Tracking Not Supported Historical Trend Analysis Supported Multitenancy Supported Notifications / Alerts Supported Performance Monitoring Supported Permissions / Access Controls Supported Predictive Analytics Supported Prioritization Not Supported Query Analysis Supported Resource Optimization Supported Troubleshooting Supported Network Mapping Features Color Codes / Icons Not Supported Compliance Management Not Supported Device Auto Discovery Supported Hierarchical Mapping Supported Location-Based Mapping Supported Map Exporting Supported On-Demand Mapping Not Supported Reporting/Analytics Supported Self-Updating Maps Supported Web Traffic Reporting Not Supported Server Management Features CPU Monitoring Supported Credential Management Supported Database Servers Supported Email Monitoring Supported Event Logs Supported History Tracking Supported Patch Management Supported Scheduling Not Supported User Activity Monitoring Not Supported Virtual Machine Monitoring Supported	IT Infrastructure Monitoring Features Alerts / Notifications Supported Application Monitoring Supported Bandwidth Monitoring Supported Capacity Planning Supported Configuration Change Management Supported Data Movement Monitoring Supported Health Monitoring Supported Multi-Platform Support Supported Performance Monitoring Supported Point-in-Time Visibility Supported Reporting / Analytics Supported Virtual Machine Monitoring Supported System Monitoring Features Alerts / Notifications Supported Antivirus Management Supported Data Backup / Recovery Supported Device Monitoring Supported Inventory Management Supported Patch Management Supported Policy-based Automation Supported Remote Monitoring Supported Reporting / Analytics Supported Risk Analysis Supported Server Monitoring Supported Service Configuration Management Supported Website Monitoring Features Availability Testing Not Supported Event Logs Not Supported Event-Based Notifications Supported FTP Monitoring Supported Mail Server Monitoring Supported Maintenance Scheduling Not Supported Performance Metrics Not Supported Real Time Monitoring Not Supported Transaction Monitoring Not Supported Uptime Reporting Not Supported
Integrations 24Cevent Supported Azure Marketplace Supported SIGNL4 Supported Squadcast Supported openITCOCKPIT Supported root9 Supported AimBetter Not Supported BloxOne Threat Defense Supported Bosch IoT Suite Supported Enov8 Not Supported HCL IntelliOps Event Management Not Supported Interlink Software Not Supported Opsera Not Supported Oracle Berkeley DB Supported PacketRanger Not Supported Salesforce Supported SolarWinds AppOptics Not Supported Sorry Not Supported VMware ESXi Supported netTerrain DCIM Not Supported Show More Integrations View All 33 Integrations	Integrations 24Cevent Supported Azure Marketplace Supported SIGNL4 Supported Squadcast Supported openITCOCKPIT Supported root9 Supported AimBetter Supported BloxOne Threat Defense Not Supported Bosch IoT Suite Not Supported Enov8 Supported HCL IntelliOps Event Management Supported Interlink Software Supported Opsera Supported Oracle Berkeley DB Not Supported PacketRanger Supported Salesforce Not Supported SolarWinds AppOptics Supported Sorry Supported VMware ESXi Not Supported netTerrain DCIM Supported Show More Integrations View All 44 Integrations
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